TM-894 SEMITRAILER OMAHA F 16
Transcript of TM-894 SEMITRAILER OMAHA F 16
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 1/139
NICALMANUAL
L
YCORP.MODELF16)
P u b l
i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 2/139
ICALMANUAL
CORP.MODEL F16)
Y 1944
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 3/139
ay1944
15-tonGross,2-wheel(2dt),VanSemi-
odyCorp.ModelF16),ispublishedfor
nceofallconcerned.
1
6-44)J
ARYOFWAR:
bedinpar.9.a.,FM21-6;X.
ls,seeFM21-6.)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 4/139
...........................1-24-5
............3-46-9
INSTRUCTIONS
peration............5—610—16
ATIONALMAINTENANCE
............................7-817-23
emain-
......9-1323-28
ntive
.......1429— 38
...............15-2338-46
s,and
55
................28-3955-78
sem-
87
3-4588-91
mbly........46-4791-96
................48-5396-107
.................54-57107-112
arrier....58-60113-114
EMAINTENANCEINSTRUCTIONS
........61-62115-117
4117-118
..................65-69118-124
................70-74124-127
dtemporarystor-
131
.78-80132-133
8
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 5/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELFU)
ublishedforthe informationand
towhomthisequipmentis assigned.This
ationpertainingtotheoperationandmain-
oad,15-tonGross,2-wheel(2dt),Van
ardBodyCorp.ModelF16),aswellas
nitsandtheir functionsinrelationtothe
quipment.
n fourparts.
tainsintroduction,description,and
tructions,containsinstructionsfor
e.
onalMaintenanceInstructions,con-
ortheperformanceofthescheduledlubri-
enanceservices,andinstructionsformain-
aretheresponsibilityoftheusingorganiza-
elons).
aintenanceInstructions,containsin-
eofthethird andfourthechelonofmain-
tandtemporarystorage,andalist
estandardnomenclaturelists,technical
ncepublicationsapplicabletothevehicle,
dix.
cableforusein performingprescribed
wwithbriefexplanationsofeach.
26,DRIVER'SREPORT,ACCIDENT,
N.Onecopyofthisformwillbekeptwith
caseofanaccidentresultingininjury or
filled outbythedriveron thespotoras
eafter.
ructionswiththemateriel,thistechnicalmanualhasbeenpublished
chnicalreview.Anyerrorsoromissionswillbecorrectedbych
revision.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 6/139
RMNo.48,DRIVER'STRIPTICKET
ENANCESERVICERECORD.Thisform,prop-
shedtothe driverwhenhisvehicleis
missions.Thedriverandtheofficialuser
eindetail appropriatepartsofthisform.
sued forvehiclesinconvoyorontactical
ofthis formcontainsthedriver'sdaily
aintenanceservicereminderschedule.
.478,MWOANDMAJORUNITAS-
ECORD.Thisformwillbeusedbyall per-
ficationormajorunitassemblyreplace-
descriptionofworkcompleted,date,
age,andMWOnumberornomenclatureof
performingtheoperationwillinitialinthe
pairs,parts,andaccessoryreplacements
.6,DUTYROSTER.Thisform,slightly
chedulingandmaintaininga recordof
rations.Itmaybe usedforlubrication
.461,PREVENTIVEMAINTENANCE
LINSPECTIONWORKSHEETFORWHEELED
ES.Thisformwillbeused forall1,000-
mile(semiannual)maintenanceservices
nsperformedonwheeledorhalf-track
353,SPOT-CHECKINSPECTIONRE-
EHICLES.Thisformmaybeusedby all
eirstaffrepresentativesinmakingspot-
ehicles.
.468,UNSATISFACTORYEQUIPMENT
usedforreportingmanufacturing,design,
aterielwitha viewtoimprovingandcor-
orusein recommendingmodificationsof
be usedforreportingfailures,isolated
nctionsofmaterielresultingfromfairwear
age,norforthe replacement,repair,orthe
nt.It doesnotreplacecurrentlyauthorized
cerecords.
370,EXCHANGEPARTORUNITIDENTI-
roperlyexecuted,maybeusedwhenex-
emsforlikeserviceableassemblies,sub-
es,andtools.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 7/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
r,havingavan-typebody,isde-
figs.1 and2).Thesemitrailercanbe
vehicleequippedwithaconventionalsemi-
svehicledoesnotincorporateahandbrake,
foruseasa safetymeasurewhenthe
thetowingvehicle.Theserialandmodel
hichissecuredimmediatelytotherearof
t,orcurb,side.Aspare wheelandtire
htheright-handframemember.Aretract-
edto theframeatthepoint oftheframe
ratedbyawormscrewandhandcrank
ftheframe.Thebodyis constructedof
entlymountedontheframe.Theframeis
edaxleandslip-end,semielliptical,springs.
entbymeansofadjustableradiusarms
ingsandeccentricadjustingpins.
enter-to-rear331in.
ll307in.
30V4in.
3SViin.
nter-to-floor)76in.
ll)74J/4in.
48%in.
67in.
ed)8,000Ib
,000Ib
aisedlandinggear14V2in.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 8/139 P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 9/139
GROSS,2-WHEEL(2dt). VAN
NDARDBODYCORP. MODELFU)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 10/139
KDUMMYCOUPLINGEMERGENCYTAG
VICETAG
ET
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 11/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
S
ON
eAirLineConnections.Thereare
catedatthefront ofthesemitrailer(fig.3).
tionislocatedon therightorcurbside,
connectionislocatedonthe leftside.
marked.Caremustbetakentoconnect
thetractortrucktothe emergencyconnector
wisetoconnecttheservicehose ofthe
ceconnectorofthetrailer.Air issupplied
ughtheseconnectionstooperatethebrake
iler.Failuretosecureeitherofthese con-
esinoperative.Theairlineconnectorsof
onnectedwiththeairhose ofthetractor,
ummycouplingsattachedbyshortchains
ler.Theconnectorsarekeptcoveredwith
endetachedfromthetractor,toprevent
eignmatterfromenteringthe airlines,and
hanismofthe relayemergencyvalve.
svehicleisequippedwith anelec-
3)locatedatthe centerofthefrontcross-
locatedmidwaybetweentheairline
protectedbyahingedcoverwhichisraised
mthetractortruckis attached.Theelec-
leris energizedfromthetractortruck
percableisinsertedinthe socket,andthe
abis turnedto"ON"position.
ckblocksareprovidedtoprevent
e semitrailerwhenuncoupledfromthe
g.5)islocatedon eachsideofthesemi-
totheframeat pointsapproximatelyabove
tin use,theblocksaresuspendedbeneath
ngsnapslocatedasufficientdistancein
aketheslackfromthe supportingchains
ainsareofadequatelengthto permitthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 12/139
ON
rin frontofthedualtires orbehindthem,
groundmayrequire,whenthe semitrailer
actortruck.
rkerLightSwitch.Theblackout
t ofthevanbodyon therightorcurb
mthefrontcenterlineon whichthecoup-
switchisoperatedby meansofascrew-
ed inaslotin theswitchhead(fig.4).
eutralposition.Itis eitheronblackout
osition.Theblackoutcircuitis energized
wingtractortruck.
domelightswitchis locatedonthe
wardoftheupperleftdoor hingeline
olsalldomelights.
h
ar.Theretractablelandinggearis
hichoperatesawormscrew.Its functionis
semitrailerwhendisconnectedfromthe
t befullyloweredbeforethetractor
stnotbe operatedwhilesupportingthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 13/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
canbe retracted,extended,oradjusted
n lockedpositionuponthefifthwheelof
atinghandleishinged,and mustbeswung
pportedupon itssuspensionhookwhen
CKOUTSWITCH
ARRIERNLANDINGGEAR
RAPD335733
tFront
eflexreflectorsarelocatedonthe
(fig.1),andfourred reflectorsareon
(fig.2).
Controls.
ngoperationof thesemitrailer
t-off"valveslocatedonthetractortruck.
olledbyswitchin tractorcab.
S.
TractorTruck(fig.6).
fullyintopositioninfront ofthe
wheelisreadytoengagethe kingpin;
heckforproper alinementoflowerand
sformakingconnection.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 14/139
ON
NCYAIRLINE-
MMYCOUPLING
OCKETCOVER
CABLE
AIRLINE\
UPLING\
HEELS
HWHEELPLATE
ngSemitrailertoTractorTruck
indwheelsoftrailer,removedumm
nectors,connectairhoseattachedtotracto
actortruckair line,andsetbrakeso
kingpinis fullyengagedinfif
ont ofthesemitrailersothat thelandii
ctwiththeground.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 15/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
awsofthe lockingdeviceonthe
seethat theyarefullyclosed.Checklock-
n lockedposition.
ndreplacechockblocksuponsup-
ortruckforwardafewfeetto exertload
op.
deviceonfifthwheeltosee thatitis
ableoftractortruckto semitrailer
esttrailerlights.
full roadclearance.Hooklanding
derbodyofsemitrailerintoits suspension
dSemitrailer.
uplingoperationhavebeencompleted,
railercombinationisreadyfordriving,
meas aconventionaltruck.Whenturning
orthefactthatthetrailer wheelsturn"in-
thetractor.
onService(par.10).
ackingatractortruckand semi-
rightwheelofthe tractorouttoguidethe
hedriver'sright;cutthe rearoftheleft
rofthesemitrailerto thedriver'sleft.
ndSemitrailer.
in coordinationwithtractortruck
ofthetrailer brakesbeforenormaloperat-
kairsupplyon thedashgage.For
brakes,thepressuremustnotbe lessthan
mustnotbe requiredtocarrythe
railerbrakesareintendedtocontrolonly
m;abuseofthisfactwillresult inundue
atly reducethelifeofthesemitrailer
topwillbe madewhenthefirstbrakeap-
speedandroadconditionpermit,andgradu-
duced,sothatat theendoftheforwardmove-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 16/139
ON
ressure,remainsin thebrakechambers.
ebrakeslightlyatfirst andincreasethe
nishes.Sucha stoprequiresgreaterdis-
vehicleundercontrol,andthefinalhigh
verestop.Do not"fan"thebrakepedal,
erformanceandwastesbrakepressure.
thebrakelinepressure,but ratherdecreases
andreservoir.Theairbrakeis designed
al ismovedtothelimit ofitsstroke,an
sults,whichwillstopthevehicleinthe
sfullapplicationshouldbe madeonlyin
employedinordinarybrakingoperation.
efficiencyisalwaysreachedshortof the
TRAIL)
AP
sembly
FromTractorTruck.
es.Unsnapchockblocks,andplace
ailerwheels.Lowerlandinggearwheels
reperpendiculartoground.Pullplugof
gsocket,andhangcableplugonthe hoot
orthispurpose.Shut thecut-offcocksor
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 17/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
erviceairlineson thetractortruck.Dis-
ouplingsonthe frontofthesemitrailer.
couplingswiththedummyhosecouplings.
bsideofthetractortruckfifth wheel,
acrossto theleftanddowninto thenotch
slideatthe extremeleftside.Withthe
ding notchinopenposition,drivethe
engagethefifthwheellockingmechanism
itrailer.As thefifthwheelplateofthe
the upperfifthwheelplateofthe semi-
inggearwheelscometorest ontheground
eightofthe semitrailer.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 18/139
ENANCEINSTRUCTIONS
INSTRUCTIONS.
cationmaintenanceforthisvehicle.
ctionsarebindingonall echelonsof
allbenodeviation.
edonfigure8are fornormaloperating
ntervalsunderextremeconditionssuchas
mperatures,prolongedperiodsofhighspeed,
dordust,immersionin water,orexposure
chmayquicklydestroythe protective
drequire servicinginordertopreventmal-
hemateriel.
edinthe"Key"in accordancewith
;above+32°F,+32°Fto0°F,andbelow
changegradesoflubricantsby maintain-
tionof thevehicleduringtheapproachto
inarilyitwillbenecessarytochangegrades
temperaturesareconsistentlyinthe next
ssmalfunctioningoccurssoonerdueto
tooheavy.
INSTRUCTIONS.
Operatelubricatinggunscarefully
oensurea properdistributionofthelubri-
alvesstickandpreventthe entranceof
itting,anddeterminethecause.Replace
ators.Iflubricatorcannotbereplaced
withtapeasatemporaryexpedienttopre-
easecups,oilers,andoilholes are
vehicle(figs.9,10, 11,and12).Wipe
thesurroundingsurfacebeforelubricant
provided,applynewlubricantuntil
om thevent.Exceptionsarespecifiedin
onOrder.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 19/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELFit)
CATIONORDER
T
GROSS,2,WHEEL(2DT)
M
l
ft
Strew
arings
Plate
ins
Pits
Wear Plate
TEMPERATURE
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 20/139
alsurfacesonwhichafilm oflubri-
ymanualapplication,beforethefilmis
HAFT
EARING
cationPoints
T,dry-cleaning,orOIL,fuel,Diesel,
Useofgasolineforthis purposeispro-
yallpartsthoroughlybeforeapplying
ividualParts.Thefollowingin-
ationandserviceofindividualunits and
12).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 21/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ricationPoints
NNERWHEELBEARING
cationPoints
movethewheel,hub,anddrumas-
tocleanbearings,andrepackwith
,No.2.Tocleanandrepackwheelbear-
eremovedfromthe hub(par.25).Re-
ndwashwithSOLVENT,dry-cleaning,
sremovedfrombothinsideandoutside
bearingasideto dry.Washinsideofhub
T,dry-cleaning.Whenbearingsarethor-
hOIL,engine,seasonalgrade,packraces
pose,No.2,andreassembleinhub(par.
sfactorily,kneadthelubricantbyhand
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 22/139
LATE
EARPLATE
ANKSHAFT
NKSHAFT
ricationPoints
ndinnerrace.Coattheinside ofhuband
atingoflubricanttopreventrust.The
gracesissufficienttoprovidelubrication
d.CAUTION:Excessivelubricationmay
edrum.
movethenuts,lockwashers,andbolts
lhubcapsandremovethe wheels.NOTE:
formedwhenthesemitraileris attachedto
ing wheelsareretracted.Cleanoldgrease
ubs,andcleanthelanding wheelaxle
gsurfacesofhubsandaxlespindleswith
,No.2.
FTHWHEELPLATE.Lubricatethe
eelplate(fig. 39)withGREASE,general
plylubricantbyhandapplicationtopoints
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 23/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
rig'ht
andtoll lig'M,
cesthissighl/
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 24/139
VEMAINTENANCESERVICE
performanceofmaterieltotheOrd-
formaintenance.
maybe maintainedintheDuty
mNo.6).
VEMAINTENANCE
ficiencyitisnecessarythatthese
yinspectedatintervalseachdaytheyare
efectsmaybediscoveredandcorrected
sdamageor failure.Certainscheduled
beperformedatthesedesignatedintervals.
s sectionarethoseperformedbythe
ration,during-operation,at-halt,after-op-
enanceservicesarelistedontheback
PreventiveMaintenanceServiceRecord,"
ervehiclesofalltypesandmodels.Items
esbutnotlistedon W.D.FormNo.48are
dingsundertheitemstowhichtheyare
dontheform thatdonotpertainto the
natedfromtheprocedureaswritteninto
ationmustthoroughlyschooleachdriver
anceproceduresetforthinmanuals,
ecificallyonW.D.Form 48,ornot.
D.FormNo.48that applytothese
hismanualtoprovide specificprocedures
einspectionsandservices.Theseservices
spectionandconservethetimeof the
arilyinthe samenumericalorderasshown
eitemnumbers,however,areidentical
ofeachitemappliesalso toanysup-
ction,andgenerallyincludesachecktosee
odcondition,correctlyassembled,secure,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 25/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
dcondition"isusuallyan external
minewhethertheunitis damagedbeyond
Theterm"goodcondition"isexplained
otbentor twisted,notchafedorburned,
bareor frayed,notdentedorcollapsed,
toseethatit is"correctlyassembled"
linspectionto seewhetheritisin its
ninthevehicle.
todetermineifitis "secure"is
examination,awrench,hand-feel,orapry-
uchaninspectionshouldincludeany
cknuts,lockingwires,orcotterpinsused
beunderstoodtomeanworn,closeto
ts,andlikelytoresult inafailureif not
cheduledinspection.
ctoryoperatingcharacteristicsbeyond
elontocorrectmustbereportedatthe earliest
tedindividualinauthority.
ERVICE.
nscheduleisdesignedprimarilyasa
leshavenot beendamaged,tamperedwith,
er-operationServicewasperformed.Vari-
yhaverenderedthevehiclesunsafefor
tyofthedriverto determinewhetheror
nditiontocarryoutanymissionto which
erationwillnot beentirelyomitted,even
ons.
erationServiceconsistsofinspecting
ngtotheproceduredescribed,andcor-
ficiencies.Uponcompletionoftheservice,
promptlytothe designatedindividual
DDAMAGE.Examinetheexteriorof
dequipment,forinjurycausedby tampering,
debris,orshellfiresinceparking.
KANDAIRFILTERS.Examineair
es,andconnectionsforloosenessordam-
rtruck,listenforair leaks,drainwater
cock.Besuretruckto semitrailerair
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 26/139
VEMAINTENANCESERVICE
nnected;or,ifnotinuse,that theyareclosed
ndthatdummycouplingsareattached.
S)ANDREFLECTORS.Cleanalllight
ors,andinspectunitsforloosenessor dam-
cted,andtacticalsituationpermits,open
switchestoseeif lampsrespondproperly.
UBNUTS.Seethat allwheelandhub
utsarepresentandsecure.
allsemitrailertiresareproperly
imum),cool.Removeforeignobjects
s,orbetweenduals;inspectfordamage.
SUSPENSION.Examineradiusarms
ndU-boltsfor loosenessordamage.Look
shiftedleaves.
NECTIONS.Inspectalltowingdevices
,particularlypintledrawbar,retracting
mechanism.
AD.Inspectallbodyunits andmount-
age.Seethatdoors operatefreelyandlatch
ameboltsforsecurity.Ifloaded,cargo
edandsecured.
RATIONCHECK.TheDuring-operation
onsemitrailerstartimmediatelyafterthe
sfollows:
ERVICE.
cleisin motion,beonthealertfor
rattles,knocks,squeals,orhumsthat may
fthereisanyabnormalsag,side sway,or
okensuspensions,disconnectedtowingor
gbrakes.
erationServicesconsistofobserving
heproceduresfollowingeachitem,and
onsofserioustrouble.Noticeminorde-
orreportedatearliestopportunity,usually
tsemitrailerbrakesindependentlyof
surethey areeffectiveandoperatewithout
chatter,orsquealing.
R.Beonthe alertforanyunusual
eratingcharacteristicsofwheels,suspension
ngoperationof landinggear,observeany
dingofoperatingmechanism.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 27/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
vicesmayberegardedasminimum
andshouldbeperformedunderall tactical
moreextensivemaintenanceservicesmust
gether.
vicesconsistofinvestigatinganyde-
eration,inspectingitemslistedbelowac-
followingtheitems,andcorrectingany
enciesnotcorrectedshouldbereported
dindividualinauthority.
ES.Placehandcautiouslyoneach
to seeifitis abnormallyhot.
SUSPENSIONS.Inspectsprings,radius
sforloosenessor damage.
UBNUTS.Seethat allwheelandhub
utsarepresentandsecure.
all tiresforunderinflationand
slodgedintreads,carcasses,andfrombe-
NECTIONS.Inspectalltowingand
sforloosenessordamage.Besurealllock-
AD.Inspectallbodyunits andmount-
age.Seethatdoors operatefreelyand
argomustbeproperlydistributedand
alllight andreflectorglass,andin-
age.
DWEEKLYSERVICE.
onServiceisparticularlyimportant,
ver inspectshisvehicletodetectany
edeveloped,andcorrectsthoseheisper-
dreportpromptlyto thedesignatedin-
sultsof hisinspection.Ifthisscheduleis
evehicleshouldbereadytorollagain on
efore-operationService,withafewexcep-
ytoascertainwhetherthe vehicleisinthe
wasleft uponcompletionoftheAfter-
er-operationServiceshouldneverbe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 28/139
VEMAINTENANCESERVICE
xtremetacticalsituations,butmaybe
mentalservicesoutlinedfortheAt-halt
ormingtheAfter-operationService,
andconsideranyirregularitiesnoticed
re-operation,During-operation,andAt-halt
tionServiceconsistsofinspectingand
ms.ThoseitemsoftheAfter-operation
yanasterisk( * )requireadditionalWeekly
orwhichareindicatedinsubparagraph(b)
S)ANDREFLECTORS.Cleanallunits,
nessanddamage.Iftacticalsituationper-
witchesto besuretheyoperateproperly,
ond.
WIRING.Examineallaccessiblewiring
efordamage,andseethatit isproperlyand
upported.
ndexcessivewear.Removeobjects
s,andfrombetweenduals.Checkforlow
ofvalvestems,andpresenceofvalvecaps.
70pounds(maximum),cold.
ywornorotherwiseunserviceable
bletireswhichshowabnormalwearshould
ositions.Apparentmechanicaldefects
bereportedforattentionby higherechelon.
USPENSIONS.Cleanoutallobjects
emorbetweenunitsand springs,andinspect
hiftedleaves,looseordamagedclips,
ckets.Seethatradiusarm adjustinglock
ylocked.
ANK.
ilerfor loosenessanddamage.See
ht,andthat airlinesareproperlysupported
rvehicleparts.Drainwaterfromtankand
toperateallbrakecontrolvalves,and
tank mountingsandallconnectionswhere
omall semitrailerairlinerubberhose.
frombothair lineniters.
ONNECTIONS.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 29/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
nd pintlehookforloosenessanddam-
properlyandlockssecurely.Inspectfifth
be suretheyarein goodconditionand
erisconnectedtotractortruckbe sure
nectedandlocked,andthatbrakeand
ht.
ingdevicemountingandassembly
eelconnectingandlockingmechanism
minepintlehookspringanddrawbar for
EANDATTACHMENTS.Examineentire
arts.Be suredoorslatchsecurelyand
frameforbrokenwelds,loosenuts,orrivets;
embers,orbrackets.Besurealllandinggear
mountingandlockpinsandbolts,arepresent
yunsatisfactorylandinggearoperating
ngoperation.
mblyormountingnuts orscrewsindi-
thisinspection.
mountingandhubnuts,springclips,
ingconnections,floorskidstrips,orbolts,
assemblynutsor screws,thatinspection
ecessaryonaweeklyormileagebasis.
EEDED.
ereinspectionhasindicatedoilcanor
y.
ointslistedonthe vehicleLubrication
weeklyattention.
ICLE.
se,andrefusefrominterior andexterior
maroundlandinggearandbrakeoperating
rs.
lerwhenpossible.Ifnotpossible,
ctpaintorcamouflagepatternforrustor
ausereflections.Seethatall vehiclemark-
cticalreasons)arelegible.CAUTION:
ntowatertor washing,caremustbetaken
oesnotgetinto wheelbearings,orbrakes,
ring.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 30/139
NTIVEMAINTENANCE
EVENTIVEMAINTENANCE
scheduledmaintenanceinspections
vemaintenancefunctionoftheusingarms,
fcommandersofoperatingorganizations,
uencyofthepreventivemaintenance
consideredaminimumrequirementfor
es.Underunusualoperatingconditions
tures,dustyorsandyterrain,itmay be
ainmaintenanceservicesmorefrequently.
CIPATION.Thedriversshouldaccom-
sistthemechanicswhileperiodicsecond
enanceservicesareperformed.Ordinarily
hevehiclefor ascheduledpreventivemain-
nablycleancondition;thatis,it shouldbe
dor greasetosuchanextentthat inspec-
riously hampered.However,thevehicle
ped thoroughlyclean,sincecertaintypes
leaks,andlooseorshiftedparts orassem-
hesurfacesareslightlysoiledor dusty.
uctionsotherthanthosecontainedin
step(4) orthespecificproceduresinstep
edforthe correctperformanceofa
serviceorforcorrectionofadeficiency,
alor adesignatedindividualinauthority,
S.Thesegeneralproceduresarebasic
efollowedwhenperformingtheservices
pecificprocedures.NOTE:Thesecond
ethoroughlytrainedintheseproceduresso
utomatically.
edsubassembliesareinstalledto cor-
ouldbetakentoseethatthey areclean,
operlylubricatedandadjusted.
ricantretainerseals,a coatingofthe
overthesealingsurfaceof thelipofthe
aleatherseal,itshould besoakedin
practicable),foratleast30minutes.
beworkedcarefullybyhandbefore
mustnotbescratchedormarred.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 31/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ofeachitemappliesto anysupporting
ndusuallyincludesachecktoseewhether
on,correctlyassembled,secure,orexces-
csmustbethoroughlytrainedinthefol-
seterms:
condition"isusuallyan externalvisual
hethertheunitisdamagedbeyondsafeor
m"goodcondition"isexplainedfurtherby
wisted,not chafedorburned,notbroken
yed,notdentedor collapsed,nottornor
toseethatit is"correctlyassembled"
linspectionto seewhetheritisin itsnor-
thevehicle.
todetermineifitis "secure"isusually
ation,awrench,hand-feel,orapry-bar
aninspectionshouldincludeanybrackets,
ckingwires,orcotterpinsusedin assembly.
beunderstoodtomeanworn,closeto
ts,andlikelytoresult inafailureif not
cheduledinspection.
eareindicatedbyrepeatingtheitem
hichshowtheintervalat whichtheservices
howthat thepartsorassembliesareto
yservices.Forexample,anitemnumber
positeaTIGHTENproceduremeansthatthe
ectmustbe performed.Thespecial
aryadjustmentsinaccordancewith
smanual,specialbulletins,or othercurrent
vehiclewithdry-cleaningsolventto
dirt,andotherforeignmaterial.Afterthe
emin cleansolventanddrythemthor-
thepartscleanuntil reassembled,andbe
ngsolventawayfromrubberorotherma-
Cleantheprotectivegreasecoatingfrom
alis notusuallyagoodlubricant.
appliesbothtolubricationoperations
vehicleLubricationOrderandtoitemsthat
but shouldbeperformedinconnectionwith
ons,ifpartshavetobedisassembledforin-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 32/139
NTIVEMAINTENANCE
stsofperformingspecialoperations,
gunits withoil,andchangingorcleaning
s.
perationsshouldbeperformedwith
(forceonthewrenchhandle)totightenthe
chanicalpractice.Usetorque-indicating
Donotovertighten,asthismaystripthreads
ningwillalwaysbeunderstoodtoinclude
ockwashers,locknuts,andcotterpins
tening.
itdifficulttoperformthe complete
proceduresatonetime,theycan sometimes
nningtocompleteall operationswithinthe
bletimeathalts andinbivouacareasmust
assurethat maintenanceoperationsare
ythetacticalsituation,itemswithspecial
ouldbegivenfirst consideration.
eventivemaintenanceproceduresthat
oseoutlinedonW.D.,A.G.O.FormNo.461,
intenanceServiceWorkSheetforWheeled
ertainitemsontheworksheetthatdo
renotincludedintheproceduresin this
mericalsequenceofitemsonthe work
anualprocedures,butinsomeinstances
ervationofthemechanic'stimeandeffort.
ES.Theproceduresforperformingeach
thly)and6000-mile(six-month)main-
chevershalloccurfirst,aredescribedin the
eofthecharthastwo columnsatitsleft
6000-mileandthe1000-milemaintenance
willbefoundthat aparticularprocedure
heduledmaintenances.Inorderto determine
,lookdownthecolumncorrespondingto
whereveranitemnumberappears,perform
ppositethenumber.
tuationdoesnotper-
mthoseitemswhichre-
ntofthevehicle.When
houldbefor preferably4
on.Performthisinspec-
aph10.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 33/139
GROSS,2-WHEEL(2dt),VAN
NDARDBODYCORP.MODELF16)
gency(BrakingEffect,
irControl).Test
telybyuseofhandcontrol
ctor,truck,andobserve
nyerraticaction,side
dicateunevenbrakeshoe
oreddrums.Stop semi-
ergencylineandobserve
dvehicle.
ents,BodyorWheels).
dtestforanynoise that
agedattachmentsmounted
cularlyforindications
Haveassistantlistenfor
s,suspensionunitsor con-
tedamageorinadequate
estsemitrailerair
essure atgovernedmaxi-
edandenginestopped,
ceabledropinpressure
essuredrop occurs
emforleaksby soapsuds
onsemitrailerairtank
ms,Hubs).Atcom-
umsand hubsforab-
es.
NS
lvestems areincor-
ged,andthatallcapsare
ngertight).Examineall
ks,blisters,andirregular
recarrier,allrims, lock
conditionandsecurity.
elinneroutermounting
amagednuts.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 34/139
NTIVEMAINTENANCE
esproperlyinflatedto
ver-allcircumferencesof
als.Thedifferencein
ustnotexceedthe3/4-inch
ON:Donotreinstall
gservicesarecomplete.
ntenance,theseveral
emsupto andincluding
hichtherewillbeoverlap.
bestorderfor economy
ort,andfororderlyre-
s;inspectandservice
ndirtandgrease from
der supportanddust
y-cleaningsolventaway
nspectdrumsforscored
andforsecuremounting
wheelstuds.
ecamsandsurfacesof
tsameforexcessivewear.
ratefreelyintheirbush-
excessivewear.Tighten
andhubto drumnuts
sbeenoperatedindeep
removerightwheeland
ordamage.Ifthis lining
eotherwheelandservice
r,beingsuretoclean,
movedwheelbearingsas
esbyminormethod,if
ddrumsremoved,in-
yareingoodcondition,
oes,ingood wearingcon--
orlubricant,andnot
eifshoesarein goodcondi-
nchors,guides,andre-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 35/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
pringshavesufficient
perlyto releasedposition.
wornpoint shouldbe
milesofservicebeforebolt
drums.
reasefromlinings with
ressedair.
trelateditemsto52in-
ustshoesbyminormethod.
talled,adjust bymajor
slackadjustersso dia-
tminimum,approxi-
raph29.
goodcondition,correct
ecertainthatmainspring
edorloose.Test forworn
esureadjustingnutsare
eelsforcracks,bent
Checkforwheelrun-out
pinwheelsandtestbear-
essandindicationsofdry
beenoperatedindeep
ditions,removerightrear
ubricantforcontamina-
ovebearingsfromall
emanneras6000-mile
elbearingsandseals.
ckforserviceablecondi-
ooseorwornparts.Before
sandseals;ifwornor
atebearingsandcoatthe
t.Packthecavitiesbe-
entsideof innerwheel
UTION:Donotpack
etweenwheelbearings
eunit,adjustwheelbear-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 36/139
NTIVEMAINTENANCE
ookforloosemount-
eckfordamage,orindica-
gsonbottomofbrake
drain cockintankto
nplugsand closedrain
entsinairfilters.Use
s,Seals,SlackAd-
emstoseeif theyarein
assembled,andsecure;that
yadjustedaccordingto
ambersandairhose
sofleaks.Tightenall
utsorscrewssecurely.
Bolts,Hangers,and
rei ngoodcondition,
secure.Springclipsand
pringleavesshouldnotbe
position.This maybean
terbolt.Seeif deflection
ndapproximatelythe
oltsforexcessivewearby
gU-boltssecurelyand
smembers).Inspect
ts,siderails,andcross-
ingoodcondition,secure,
frameappearsto beout
mets.Observethese
ilertoseeifthey arein
upported,connected,and
ose).Examineall
rakehoseundersemi-
goodcondition,securely
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 37/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
dsothatlinesorhose will
hicleparts.
kerelayvalve,clean
d,andreinstallsecurely.
,lubricateinaccord-
er,paragraph8,andcur-
,usingonlycleanlubricant
vehadspeciallubrication
ervice.Replacedamaged
alllightunitsor sockets,
condition,clean,and
permits,testallswitches
properly.
eyareallpresent,in
dsecure.
andFloor).Seethat
dsecure.Checkreardoors
hingesandlatchesforgood
ng,andproperoperation.
.
etoseeif itisin good
ountedtoframe.Test
eyoperateproperly,are
diflockpinispresentand
n.Payparticularattention
rawbar.
nepaintofentire
shinyspots, oiland
barespots.Makesure
onsarelegible.
ailerfifthwheelplate
areingoodcondition,
cessivelyworn.Test
chanismtobesurethey
emitrailerairlinecon-
theyareingoodcon-
rn,andwillcouplesecurely
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 38/139
NTIVEMAINTENANCE
afetyvalveonemergency
llatchsecurely.If semi-
suredummycouplings
d.Ifrubbersealsare hard
brakefluid torubber
eels,Supports,Lock
ctalltheaccessible
oodcondition,correctly
cated,andnotexcessively
esttosee thatcrank,
ctionsatisfactorily.Spin
ee.Lookparticularlyfor
ypinsorbolts.
bricatelandinggear
Order,paragraph8.
mblyandmounting
towageList,toseethat
hattheyareingood con-
andsecurelymountedor
hockblocksshouldbe
ed,oneoneachsideof
eandwiretarpaulin
intool box.
oseethat decontam-
on,securelymounted,
zzlesfreeandclean.
Refill isrequiredevery
clemanuals,Lubrication
ormNo.478are present
mpleted).Inspectsemi-
ficationworkordershave
eranyMWO'sormajor
ntsmadeattimeofthis
ormNo.478.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 39/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
alroad test,recheck-
3.Confineroadtestto
cessarytomakeproper
ectorreporttodesig-
nciesfoundduringfinal
oncontainstroubleshootinginfor-
nbemadeto helpdeterminethecauseof
ay developinsemitrailersusedunder
ns(above32° F).Eachsymptomoftrouble
unitor assemblyisfollowedbyalist of
Thetestsnecessarytodeterminewhich
s responsibleforthetroubleareexplained
ns.Themaintenanceinstructions
ndicatedis presentafterthesemitrailer
edtodefinitelylocatethesourceoftrouble.
temonthe semitrailerisdependent
of thetractortruckforits airsupplyand
theairbrakesystemofthe tractortruck
wise,itwill beimpossibletoobtainproper
semitrailer.
.Beforeattemptingtolocatethe
e,checktoseethat thesemitraileris
actortruckwhoseairbrakesystemfunc-
NGORLUBRICATING.Adjustorlubri-
).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 40/139
AIRBRAKESYSTEM(BELOW80LB).
ureintractortruckair brakesystem(par.
ERGENCYVALVE.Repairorreplace
ar.33).
y.
NGORLUBRICATING.Checkbrakes
ckforcorrectadjustment.Lubricateor
and29).
RACTORTRUCKAIRBRAKESYSTEM.
ureintractortruckair brakesystem(par.
REFROMTRACTORTRUCKBELOW
vepressurefromtractortruck.Adjust
2),orreplacebrakevalve.
GORHOSELINE.Repairorreplace
Cleanairfilter(par.36).
WITHBRAKESAPPLIED.Refertopara-
wly.
NGORLUBRICATING.Adjustorlubri-
ars.29and 8).
CHECKVALVEINEXHAUSTPORTOF
E.Replace(par.33).
LAYEMERGENCYVALVEPLUGGED
plug(par.33).
ONHOSELINE.Replacedamaged
Cleanairfilter(par.36).
OPERLYCLOSED.Opencut-outcocks
ROPERLYCONNECTEDTOAIRHOSEOF
tairlines(par.38).
AKESYSTEM.Chargebrakesystem
ure.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 41/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
NGINHOSELINE.Repairorreplace
TER.Cleanfilter(par.36).
PERLYCONNECTEDTOBRAKESYSTEM
ectlinescorrectly(par.38).
CTORTRUCKINAPPLIEDPOSITION.
ortruckto"RELEASE"position.
NG.Lubricateoradjustbrakerigging
ALVEINEMERGENCYPOSITION.In-
ortruckbrakesystem,or openreservoir
pars.32and 37).
TIALLYCLOSED.Opencut-outcockson
GORHOSELINE.Repairorreplace
ING.Relinebrakes(pars.29and30).
NG.Lubricatebrakerigging(par.8).
LVEONTRACTORTRUCK.Repairor
alve.Refertotractortruckmaintenance
ERGENCYVALVE.Replacedefective
NG,LUBRICATING,ORRELINING.Ad-
kesasrequired (pars.29,8,and30).
ING.Relinebrakes(pars.29and30;
ESPRINGORBRAKECHAMBERRELEASE
ebrokenspring(par.30).
-ROUND.Replacedamagedbrake
BERDIAPHRAGM.Replacedefective
m(par.34).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 42/139
BrakesReleased.
ALVELEAKING.Replacedefective
ar.33).
CONNECTIONS.Repairorreplace
ections(par.39).
hBrakesFullyApplied.
GENCYVALVE.Replacedefectiverelay
).
BERDIAPHRAGM.Replacedamaged
NNECTIONS.Replacedamagedlinesor
hBrakesAppliedandRelayEmer-
yPosition.Replacedefectiverelay
).
ALVEGROANSORCHATTERSWHEN
laydiaphragmguideringimproperlyin-
ergencyvalve(par.33).
VEINRELAYEMERGENCYVALVE
SAREAPPLIED.Defectivediaphragmin
allnewdiaphragminexhaustcheckvalve
PresentinAir BrakeSystem.
AINEDATPROPERINTERVALS.Drainall
chweek,dailyifnecessary.Cleansystemif
ping.
earrangeloadevenlytodistribute
RING.Ifthespring willnotreturnto
oaded,replace(par.41).
ROKENLEAVES.Replacebrokenspring
LOSTREBOUNDCUPS.Replacelostor
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 43/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
DEWISE,OR"FANNEDOUT."Caused
lips.Replaceclips(par. 41).
OFSPRINGLEAVESDUETOBROKEN
okencenterbolt(par.41).
.Replacebrokenspringseat(par.41).
acebrokenU-bolt(par.41).
READS.ReplacedamagedU-bolt(par.
TTHREADS.Replacedamagednut.
DPILLOWBLOCK.Replacepillowblock.
.
EFROMSTRIKINGOBSTRUCTION,OR
xle(par.45).
WITHOBSTRUCTION,OROVERLOADING.
Replacebrokenradiusarm(par.42).
ECCENTRICBOLT.Replacebroken
UBBERBUSHING.Replacewornrubber
DJUSTMENT(fig.33).Adjustradius
xle(par.42a).
DRUMS,
obraketroubleshooting(par.16).
NDRUMS.Refertobraketrouble
-ROUND.Replacedamagedbrakedrum,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 44/139
YALINED(fig.34).Alinewheels(par.
TINWHEEL,BETWEENDUALS,ORIN
truction.
AINSTBRAKEDRUM.Straightenor
9b).
TPROPERLYADJUSTED.Adjustwheel
UTS.Tightenwheelstudnuts.
SPRING.Replacebrokenbrakeshoe
AllTires.
ATION.Inflatetiresto properpressure.
oadweightshauled,andkeepwithin
4).
EMENTWITHKINGPIN.Adjustradius
inement(par.45).
HEELS.Tightenwheelstudnutsand
eplaceaxle(par.45).
MBER(fig.36).Replaceaxle(par45).
EVERE.Checkandadjustbrakes(par.
WHEELS.Replacedamagedwheelor
r OuterOnly).
YMATCHED.Matchduals.
E(fig.37).Replaceaxle(par.45).
INGLUBRICANT.Lubricatewheel
CONES,ORCUPS.Replacedamaged
par.26).
cedamagedhub(par.25).
ROPERLYADJUSTED.Adjustwheel
OES.Adjustbrakeshoes(par.30).
K.Relinebrakes(par.30).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 45/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
SPRING.Replacebrokenbrakeshoe
ARINGADJUSTMENT.Adjustwheel
eplaceaxle(pars.44and45).
WheelorInsideBrakeDrum.
Cleanandlubricateaccordingto
UBDUETO INCORRECTLUBRICA-
accordingtoparagraph8.
HUBCAP.Tightenloosehubcap.
p.
TINCAMSHAFTNEEDLEBEARINGS
hub,anddrumassemblyasaunit and
and8). Ifbrakeliningblocksare
cks(par.30andfig.23).
frameis theresultofan accident
oadedsemitrailer.Heatsprungframe
ystandardpracticetostraighten.The
kand aheavyhammerareusuallysuffi-
.Thisdamagemayberepairedby
mage,andusingthetractortruckjack
ntoreshape(par.47).
UNTINGBOLTS.Replacedamaged
ar.47).
TINGPLATES.Removebumpermount-
mperdiagonalbracebolts,andremove
ermountingplates,andreplacebumper
PERBRACES.Removediagonalbumper
perandsemitrailerframe.Diagonal
d.Heatbumperbraceandstraighten.
les inflangesmatchcorrespondingholes
mitrailer(par. 47).
erAssembly.Removetirecar-
offour hookbolts.Repairorreplace
0).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 46/139
elsareDown.
KBRACES(fig.45).Repairorre-
ar.55),
DLANDINGGEARLEG(fig.45).Replace
eLoweredtoCorrectPosition.
SORBRACES.Replacebrokenor
EYSINGEARS(fig.46).Replace
6).
DLANDINGGEARSCREW(fig.46).Re-
andinggearscrew(par.56).
otMoveWhenOperatingCrank
YS,PINS,ORBOLTS.Replacelostor
S(fig.46).Replacedamagedmiter
SORPINSDISCONNECTED.Replace
ired (par.56).
LandingGearPartiallyandThen
AGEDSCREWHOUSING(fig.45).
ar.56).
OKEN.Replacewornorbrokengears
46).Replacewornbushings(par.56).
Handle.
AGEDHOUSING.Replacedamaged
CKED.Removegears.Reassemble
eplaceifdamaged(par.56).
SHAFT.Replacedamagedpart
ely.
N.Lubricateproperly(par.8).
GORSHAFT.Replacedamagedpart
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 47/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
erly(par. 47).
Securehingebolts.
EN.Replacehinge.
moveandrepairdoor.
rate(par.47).
nkeyway.
AMAGED.Repairorreplacedamaged
EN.Replacedamagedrods.
aneling.Removeadjacentwood
nt,ordamagedpanel.Straightenor repair
placewoodbodylining(par.47).
(fig.41).
SWITCHONTRACTORTRUCK.Check
hforlooseorbrokenconnections.Tighten
cebrokenconnections.
BLEONTRACTORTRUCK.Checktrac-
nections.Checkcableplug.Replace
ESSCONNECTIONSONJUNCTIONBLOCK.
sonjunctionblock(par.49).
RNESS.Repairdamagedwiring
amaged(par.49).
MINALS.Cleanconnectionsandtighten
TANDTAILLIGHTGROUND.Cleanand
n(par.49).
RMINALS.Tightenorrepairterminals.
2).
EFECTIVE(fig.43).Checkforloose
rnordamagedswitch(par.51).
ig.44).Checkforlooseor broken
tchifwornordamaged(par.52).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 48/139
GS,ANDTIRES
TA(figs.13and14).
ofthe pressed-steel,ventilatedtype,
-inchrims.Eachwheelis fastenedtoits
uts.Allthestud nutsonthewheels
ideofthe semitrailerhaveright-hand
he left-handsidehaveleft-handthreads.
dividuallyheldbytheinnerset ofcap
over theinnercapnuts,andis in-
uternuts.Eachset ofdualwheelsis
10studs uponwhichthewheelcap
emovingstudnutsfromwheelstuds it
aremarked"R"or"L"to makepossible
oftheright-handorleft-handsidetowhich
he dualwheelassemblyuponits
rumis attachedtoitsinnerface.The
he hubbyindependentthreadsand
ewheelstuds.Removalofeachinner
tud fromthehubanddrumassembly.
ndhubassemblyismountedonthe
edtaperedrollerbearing assemblies.The
ntothe innerandouterboreof thehub.
on,andare supportedby,theaxlespindle.
gbearingcups,is adjustedtoturn
aringcones.Thehubis adjusted,and
nuponthe bearings,bymeansofthe
instheD-washeragainstthe outer
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 49/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
esemitrailerrequire noservice,
ision.Inthe eventofwheeldamage,
.
d drumassembliesareremoved
e followingprocedure:
with thetractortruckunitofthe
eassemblyuntilthe dualwheelsarefree
nd.Blocktheaxleinthis position.
apnuts,andremovetheouter dual
uts,and removetheinnerwheel.
rewsretaininghubcap,and remove
espindle,andremovetheaxle
rclockwisedirection(B,fig.15).
(C,fig.15)fromthe axlespindleby
rewdriverbetweenthewasherandthe
ppingwithahammer.Forceopposite
ccession,topreventwedging.
ssembly,andpulloutwarduntil
Removetheouterbearing.CAUTION:
fullyreleasedsothatbrakeshoesdo
assemblycontainingtheinnerbear-
omthehubbyremovingthe nuts
Liftdrumfromthehub andstudas-
kingsurfaceisroughor damagedmust
onotrepairadrumwhosebraking
mageseldomoccurstohubsunder
s.Damagewillresult,however,ifbearing
edfromthehubbore.CAUTION:Follow
ragraph26toavoidsuchdamage.Dam-
nutsholdingwheelstudstothe huband
oose,resultinginwearofhubstud holes
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 50/139
GS,ANDTIRES
ASHER
PNUT(RIGHTORLEFT)
UT(RIGHTORLEFT)
TORLEFT)
UT
UTLOCKWASHER
ndDrum-Assembly,SectionalView
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 51/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
DRUM
OCKWASHERRAPD335742
AssemblyPartiallyDisassembled
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 52/139
GS,ANDTIRES
E.Themostcommonhubdamageis
lision.Thehub maybecomesplitor
ediatereplacementisnecessary.
ewornorbrokenwheelstuds.Care
linganew stud,tofittheshoulder ofthe
bbeforeit isdrivenintoplace.Install a
portingend ofthestud,toprotectthe
studinto hub.Useahardwoodbuffer
mmer.
umassembly(par.25 b).
rbearingcones.
ehubuponawoodblockwith the
DAXLESPINDLE
G
rtiallyDisassembledand
Assembly
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 53/139
GROSS.2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
facingdown.Usedrift andhammerto
mthehub bore.Movetheendofthe
f thecupasit isdriven,sothatthe op-
cessively.(Becertaintodrivethe cup
entwedging.)Itmustbedrivenso that
theboreofthehub. Carelessuseof
tothemachinedboreofthehub.The
edforremovingbothcups.
cupsbyfacingupwardtheendof
pistobe inserted.Beforereplacingcups
ar.8).Placethe hubonawoodblock,
up squarewiththeboreofthe hub.Face
rtowardthehub.Placea hardwood
anddriveinto thehubboreuntil flush
ION:Usecaretodrivethe bearingcup
at itdoesnotbecomewedgedorsprung.
elyintothehubuntil thenewbearingcup
ofthehubbore.CAUTION:Unlessthe
ted,thehub cannotbekeptinadjust-
ompletelubricationofbearingsandhub
semblyupontheaxlespindle.
Assemblies(fig.15).
oneinthe innerbearingcupof
ring(G) withitsflangedsidetoward
placethefeltwasher(F) nexttothe
eld(H)isproperlyin placeonthe
oplacebymeansof themetaldowelpin
hespindle andaholein thedustshield.
ateontheendof theaxlespindle,
semblyontothespindle.Placetheouter
uterhubbore,andinstallthe D-washer
ptightagainstthe D-washer,then
dturn..Beforeadjustingthehuband
eaxlespindle,replacethedualwheel and
dofa shortbaruponthefloor beneath
arasapry againstthetires,holda finger
outerportionofthe bearingcageandthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 54/139
GS,ANDTIRES
excessiveplaybetweenthebearingand
spindle nutasrequiredtocompletethe
Assembly.Usingthejackpro-
k,placeundertheaxle againstthelower
he axleuntilthewheelstobe removed
edual wheelsontheoppositesideof
echockblockagainstthedualtires,and
opeinthe ground.Placeanemergency
alsoppositethechockblock.Usethe
enchtoremovetheouterwheelstud nuts,
el.Ifthe innerwheelandtireassemblyis
einnerstudnuts, andlifttheinner wheel
tuds.
el.Removethecorefromthe
hetireassemblybyunscrewingthecore
eLockRing
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 55/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
evalvecap.Removalofthevalvecore
onofthetube. Placewheelandtire
ewiththe wheellockringup.Whenthe
etooltoloosenand removetirelock
ckringhasbeenremoved,lifttheside
d removetirefromthewheel(fig.17).
ovetireflapandtubeforinspectionor
mustberepairedin accordance
almethods.Puncturesandtearsinthe
ordorfabric,mustbe vulcanized.Holes
epairedbycoldpatching.CAUTION:
ginnertubesmustnot beattempted.
eFromWheel
sinTires.When tubesandflaps
re mustbetakentopreventtubefrom
enwheelrimandthe beadofthetire.
mustbereplacedandthevalvestem
eelrim beforetubeisinflated.CAU-
empointsoutwardwhentube isreplaced
seethatitis firmlyseatedinthegroove
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 56/139
tymeasure,alengthofchainshould be
etireattwo oppositepointsonthewheel
precautionwill preventlockringfrom
jury,if ithasnotbeen securelyfastened
etire toproperpressure(70Ib) and
heelUnitsonHub Assembly.Re-
e hub,andapplytheinnercap nuts.
totightenall capnutsevenlyand
wheelismounted.Wheninstallationof
ompleted,theouterwheelshould bepo-
ftheinnerwheelandthe outercapnuts
beveledsurfaceonthe innerfaceof
edinto thebevelinthe wheelstud
pof thewheelassemblyonthehub
causetheweightofthesemitraileris
urfacesofthecapnuts. Unlessthebev-
tsare firmlyseatedintothecorresponding
stud holes,thewheelswillbecomeloose
studs,or hubwillresult.
TA.
ebrakesofthesemitrailerare
ycompressedairsuppliedbythetractor
ines (fig.18)coupledtothefront of
irlinesare connected,andthestopcocks
ortruckareopened,the brakesofthe
erareactivatedandcontrolledasa single
smofthesemitrailerisof theinternal
peoperatingoneachofthedualwheel
Thepurposeofthebrakesisto
mentsmoothlyandevenly.Thisbraking
yforcingthebrakeshoes,linedwithheavy
h-frictionmaterialagainstsurfacesofthe
oesarein turnactuatedbythecamshaft
tsareoperatedbytheairbrakesystem
kadjustersattachedtothe innerendsof
djusterarmsareattachedtothepush
sbyyokesand clevispins.Thebrake
ybrackets,tothecentralsectionoftheaxle
s.Eachbrakechamberisboltedtothe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 57/139
GROSS,2-WHEELI2dt),VAN
ANDARDBODYCORP.MODELF16)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 58/139
AFT
ET
yandBrakingMechanism
ourbolts,clampingbothbrakechamber
otheaxle(fig.19). Thebrakechambers
stem,actingdirectlyontheslackadjuster
inateinS-headsbetweenthebrakeshoe
hebrakingforcethroughthebrakeshoes
wheel,hub,anddrumassemblies.Effec-
mplishedonlywheneachunitofthe
isingoodmechanicalconditionandprop-
itsdependentunits.NOTE:Theair
aileris dependentupontheairbrake
forits airsupplyandcontrol.Theair
rtruckmustbe ingoodcondition;other-
toobtaingoodbrakeperformanceonthe
.
n.
S.
ion.
etractortruckjacktoraisetheaxle
sitionboth dualwheelsremainoffthe
kes.Removethetwodustshields
apscrewsto thebrakeadapterplateof
erationexposesthebrakeliningsfor
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 59/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ebrakeshoeliningsforunevenor
aseonthelinings,or ontheinnerbraking
s.Rotateeachdualwheelassemblyto
oelinings againsttherotatingdrums,
theinnerbrakeshoeassembly.Ifbrake
wisein goodcondition,onlyminoradjust-
servicethebrakes.
onlyadjustmentrequiredtocom-
performedbyrotatingthe slackadjuster
se(fig.29)untilthebrakeshoelinings
edrums.Thenbackoffwitha counter-
ebrakesarefree.Replacedustshields
ndertheaxle.
HUBASSEMBLY.Ifinspectionhas
nings,noiseor freeplayinthebrake
wearofthebrake liningblocks,removethe
UT
keDrums
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 60/139
E
EBRAKELININGBLOCK
keLining
par.25)to makenecessarymajoradjust-
nstallationofnewbrakeshoelin-
ecessitatesreadjustmentofthebrake
othnutsonbothanchorpins(fig. 21)so
movedfreely.Removedustshieldsfrom
ewheelanddrumassembly.Iftheas-
sitionfreely,backofftheslackadjusters
tionofthewormscrew(fig.29)untilbrake
m. Centralizetheanchorpineccentrics
terwormscrewuntil theshoesaretight
brakeeccentricanchorpintoright
eristightened,untilthebrakesare cen-
feelergagetoset brake-shoeclearance.
endat0.010inch.Setclearanceatcam
ocknuts onanchorpins,whileholding
ESHOELININGS.Newbrakelinings
edafter1hour,or 25to40miles ofopera-
brakeshave receivednormaluse.Watch
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 61/139
GROSS.2-WHEEL(2di),VAN
ANDARDBODYCORP.MODELF16)
LDRAPD335749
es
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 62/139
ringthefirst 500to1,000milesafter
Ifthetravel oftheslackadjustersin-
tbeadjustedtokeepthe brakingarmat
Afterproperadjustment,withthebrakes
armandthe brakechamberpushrod
lyless than90degrees;andbothslack
sameangle.
LY.
Removewheel,hub,anddrumas-
thethreeboltsholdingthe anchorpin
tingplate(fig.23).Tap theanchorpin
pinsand pullbothshoesfreeof theas-
eshoereturnspringbyremovingthespring
ngto eachshoe.
GS.Whenbrakeblocksneedtobe
thebrakeshoe assemblymustbere-
chandscrewdrivertoremovethefour
akeblocktothe shoe(fig.23).Remove
eachsectiontothe shoe.Carefullyclean
greaseanddirt,beforeinstalling newblocks.
hings.Eachbrakeshoehastwo
orpin end.Toreplacewornbushings,
s.Pressordrivenewbushingsintoplace.
hardwoodblockmustbeusedasa buffer
mertopreventburringordistorting the
ushingwillretardthe freemovementof
ationandreleaseof thebrakes.Bushings
mensions,andpropercareininstallation
tofthebrakeshoe upontheanchorpin.
lersandRollerShafts.Thebrake
eunanchoredendofthebrakeshoe.The
onashaft(fig.19). Theshaftisretained
gby threeheavyprickpunchmarkson
maybe drivenoutandnewrollersor
movingthebrakeshoeassembly.When
asbeenreplaced,theshaftmustbere-
kpunchmarks.
hebrakeshoeassemblyisreplaced
fremoval.Reassemblethebrakeshoe
eplacethebrakeshoesin positionupon
replacetheanchorpins.Position the
keshoeassemblyuponthebrakemount-
eboltsholdingthe anchorpinbracket
e(fig.23).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 63/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
BOLT
keShoes
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 64/139
SEMBLY.
TONS.Jackupaxleuntildualwheel
actwiththeground(par. 27).Remove
ly(par.25).
NGSEAT^LUBEFITTING
SHER
emblyDisassembled
emovethenutandlockwasherfrom
e camshaft(A,fig.25).Removethe
omtheslackadjusterarm.Tap slack
,usingwoodbufferblockbetweenthe
eriftheslackadjusterassemblydoesnot
islocatedonthecamarmjust outside
B,fig.25).Removesnapring fromthe
worktowardthesplined endofarm.Itis
feltretainerand feltwasher.Thesetwo
eneedle bearingasthecamshaftisdrawn
gsinthe brakebackingplate.Thebrake
thecamshaftasitis withdrawn,unless
rtwitha blockofsuitablelength.CAU-
nremovingthecamshaftsothatthe
kemountingplateare notdamaged.Keep
mal workingpositionasitis withdrawn.
gs.
TONS.Whenitisnecessarytoremove
hecamshaftmustfirstbe removed(subpar.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 65/139
NGROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
R
IONFlTING
INGSCREW
NTINGFELTWASHERFELTRETAINERSNAPRING
TE]
RINGSEATNEEDLEBEARING
mshaft
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 66/139
GS.Thecamneedlebearings(fig.24)
astindefinitely.However,iftheyare
nt(inremovingthecamshaft),orother
rearetwobearingsineachmounting
romthe boreofthemountingplate
oodpinof suitablediameterisusually
fromthemountingplate.
RINGS.Startthenewbearingsinto
brakebackingplate.Tapeachgently
aringinstraight.Whenthebearingshave
eyshouldbe pressedintooperatingposition.
overtheendsofthe bearings,andusea
tion.Whenfullyin position,eachbearing
eredgeofthebrakebackingplate.
AUTION:Itmustbenotedthat
dleft.Whenreplacingthem,caremust
handcamon therightside,andthe
de.Eachcamis stampedonitsinner
ennumberis rightside,oddnumberis
thecamshaftispassedthroughthe
kemountingplateand pushedtowithin
acketcontainingtheballbearing.Place
ned endofthecamshaft,andpush
gplate.Slide thefeltretainerinplace
ndslipthesnapring overthecamshaft
shthe splinedendofthecamshaft
thecambracketuntiltheS-headofthe
rakemountingplate.Seatthefeltwasher
nstthe brakemountingplate,andslip
ninggrooveinthecamarm.I nstallthe
omCamBracket.Removethe
mshaft(subpar.aabove).Taptheouter
sidethe bearingbore.Thisoperation
ngto workoutofthebracket.Ifthis
omthebracket,removethealemite
sertasmall screwdriverinthealemite
rdagainstthe bearing.Continuetapping
withasmallhammerwhileprying
escrewdriver.Thesecombinedoper-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 67/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ng,causingit toslidefromthebore of
.
nCamBracket.Placethenewball
dof thecamshaft.Carefullystartthe
slackadjusterbracket.Oncethebearing
eslippedintoplace.Ifthe alemitefitting
emovaloftheoldbearing,replace.Re-
eplacetheslackadjusternutandlock
amberpushrodontheslackadjusterarm.
eairbrakesystemofthe semi-
rof individualcomponentsconnectedby
dividualunits tofunctiontogetheras
ism.Fundamentally,thesemitrailerair
cesnecessarytodirectandcontrolthe
dtotransformtheenergy ofcompressed
nicalforceandmotionnecessarytoapply
rtotesttheair brakesystemofthe
ty,connectitsairbrakesystemtothe
tortruck (par.6).Chargethecombined
ssureof100pounds,asregisteredby the
of thetractortruck.
BRAKESRELEASED.Stoptheengine
easethe brakes.Observetherateof
steredbythedashgage onthetractor
ropin pressureshouldnotexceed3
BRAKESAPPLIED.Withthetractor
brakesfullyapplied,observetherate
steredonthedashgageof thetractor
pressureshouldnotexceed4pounds
KELEAKAGE.Ineachofthe leakage
air pressurewasduetothecombined
mofboththetractortruckand thesemi-
iththecut-outcocksin theairhoselines
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 68/139
cktothesemitrailerclosed.Anylossin
estsisdue toairleaksin theairsystem
EAKAGE.Todeterminetheair pres-
ystemofthesemitrailer,it isonly
airpressurelossesof thetractortrucktests
essurelossesofthecombinedtractortruck
observed.Thisdifferenceineachtest
rbrakesystemlossin airpressure.
Ifleakageineitheroftheabovetests
mponentsoftheairbrakesystemofthe
drepairorreplacethe leakingconnection.
Withtractortruckandsemitrailer
ing,applythebrakesandchecktheir
ofthebrakesshouldstop themotionof
erquicklyandsmoothly.Thebraking
ndpositivebothduring applicationand
etractortruckandsemitrailer
y.Checkpossibletiremarksmadebythe
onote anyindicationofunequalbraking.
akingis noted,asindicatedbyheavy
andnot fromtheother(par.19),the
ldbe jackedupandblockedwithboth
und.Checkeachbrakeshoeli ning
nyadjustmentsinspectionindicatesas
brakingtestsafteranyadjustmentshave
brakesapplyandreleaseevenly.
ALVE(fig.26).
in pressureintheairbrake system
tedbytests,must belocatedandstopped.
sin theairbrakesystemis accomplished
unitscomposingthesystemuntilall
have beencorrected.
ergencyvalverelaysthebraking
cktothe semitrailer,andprovidesan
ononthesemitrailerintheeventit acci-
mthetractortruck.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 69/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
Withtheair brakesystemfullycharged
ureof80 pounds,applythebrakesand
sapplyproperly.
ST.Releasebrakesandchecktobe
stedpromptlyfromtheexhaustportof
ethroughtheexhaustcheckvalve(fig.27).
ALVE
APHRAGM
ncyValve—SectionalView
NCYAPPLICATION.Withtheairbrake
ethecut-outcockintheemergency
k,anddisconnecttheemergencyairhose
ktobesurethe trailerbrakesapplyauto-
gencyvalveisdesignedtogointoits
onwhen,foranyreason,theairpressure
cutoff,orwhentheemergencyairline
about20poundsbelowtheair pressureinthe
esemitrailer.Theinstantthe emergency
cted,airpressureinthebrakesystemof
oflowoutthroughthe openemergency
gencydiaphragm(fig.26)tobe depressed,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 70/139
ffthecavityleadingtothe emergency
pressurepast theemergencydiaphragm
n,emergencyline.Asthecenterof the
depressed,theemergencyvalveisclosed.
reservoirof thesemitrailerflowsacross
emergencydiaphragmintothecavity
ber,andappliesthe brakes.Theclosed
tsitfromescapingthroughthecavity
.
»3O8367
kValve—SectionalView
hebrakesreleased,coattheexhaust
relayemergencyvalvewithsoapsuds
rpastthe supplyvalve,ortheupper
phragm.
AGM.Withbrakesfullyapplied,coat
suds todetermineleakagepasttherelay
Withtherelayemergencyvalvein
theexhaustportoftherelayemergency
etermineleakagepasttheemergency
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 71/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF161
UPLING.Testforleakageatthe
plingatthefrontof thetrailertodetect
cydiaphragmseal.
akageinanyoftheabovetests
soapbubblein 3seconds.Anyexcessive
d.
kage.Excessiveleakagewillbe
phragms,valves,orvalveseats.Leakage
tedbycleaningthevalve.Iftheleakage
cethevalve.
g.28).
bservethat brakechamberpush
mptlywithoutany evidenceofbinding.
observethatbrake chamberpush
onpromptlywithoutany evidenceof
er—SectionalView
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 72/139
hthebrakesfullyapplied,coatthe
ediaphragminplace,withsoapsuds to
ON:Noleakageispermissible.Ifleakage
ts.It isimportantthatallflange bolts
nlysufficientlytopreventleakage.If
edwhentighteningtheflangebolts,the
d,andprematurefailurewillresult.
ETHROUGHPUSHRODCLEARANCE
plied,checkforleakagethroughthe
clearanceholearoundthepushrod,and
ressureplate,withsoapsuds.CAUTION:
Ifleakageis found,replacethediaphragm.
ailureoftheBrakeChamber
agmsareinspected,brakechamberre-
checkedandreplacedifweakorbroken.
mbersprings,itisimportantto install
pe asthoseremoved;otherwise,uneven
bly.Beforeremovingbrakechamber,
yopeningdrain cock.Disconnecthose
moveyokepincotterpin,andyokepin
easingthe pushrodassemblyfromthe
venutandwasher,releasingbrakecham-
cket.Placebrakechamberinaviseso
reaccessible.Removethenutsandhex
ange.This allowsthepressureplateand
ved.Marktheouter rimofthenonpressure
ngpointonthe pressureplatewithacenter
mentwhentheair connectiononthepres-
nedwhenreassembled.
acenewdiaphragmintorecessof
carethatall holesinbothsectionsare in
nddiaphragmagainstthepush rod,
uterflangeofnonpressureplateand
Punchmarksmadeonouterrimofboth
alinement.Installboltsandnutsholding
ressureplateandthenonpressureplate.
sonlysufficientlytoensureanairtight
plateandthe diaphragm,butnotsuf-
hragm.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 73/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
djustersaremountedonthesplined
ts.Theyfunctionasadjustableleversand
meansof adjustingthebrakestocom-
ear.Oneslackadjusterassemblyis used
elassembly.Theyconsistof aworm
—SectionalView
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 74/139
dywhichservesasaconnectinglever
dthebrakechamber.Theslackadjuster
keofthebrakechamberpushrodby
cotterpin.Airpressureuponthedia-
berexpandsthediaphragmandimparts
amberpushrod.Thismovementiscom-
ustertothecamshaft.
brakes(par.29)andnote the
pushrodtravelwhenbrakesare applied.
ationsandagaincheckpushrodtravel.
nthe sameasitwasafter adjustment.
eases,orifit isdifficulttokeepbrakes
ckadjustersmustbe replaced.
heslackadjusterfromthebrake
removingtheyokepin cotterpinand
slackadjusternutand lockwasherat
andpullofftheslackadjuster.
ckadjusteron thesplinedendof
lockwasherandnut.Beforeconnecting
od yokeofthebrakechamber,checkto
tightonthecamshaft.Thiscanbedeter-
ckadjusterbackwardandforwardina
ckadjustertobrakechamberyokewith
kepin cotterpin.Rotatetheslackad-
operateseasilyandsmoothly.NOTE:
hone-fourthturn,whichis causedby
.
ndOperation.
.30)are usedintheserviceline
semitrailerstotrap anydirtorforeign
otheselines throughtheairhosecon-
softhe tractortruckaredisconnected
arenotin placeontheairl inecouplings
tionalcaseoftheairfilterencloses
fwound-cottonconstruction.Thelower
withadrainplug (fig.30).
ectdirectionoftheairflowthrough
narrowcastonthe bodyofthefilter.
rtruckto thesemitrailermustpass
ectionindicatedbythearrow.Airflow-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 75/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
7
tionalView
y passesthroughthestrainer,butany
theairstreamaretrappedby thestrainer.
ndmoisturetrappedbythe strainercol-
iltercover,andiseliminatedby removing
cockto releaseairpressure.
dlockwashersattachingcovertothe
thefilter covercontainingthedrainplug-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 76/139
mbetweenthebodyofthe filter
ethestrainersupport.Whenthe strainer
ainermaybe removed.
lpartswithdry-cleaningsolvent.
anbybrushing.Ifanyoily orgummy
ermust bereplaced.
nplacein thebodyofthefilter.
ersupportonthe cover,andreplacethe
rewsandlockwashersattachingthecover
osetheairreservoirdrain cock.
erhasbeenreassembled,testfor
stemtonormaloperatingpressure.Coat
p sudsandapplybrakes.Noleakageis
oundpastthe gasketbetweenthecover
thecovershouldbetightened.If leak
DRAINCOCKASSEMBLY,
ervoiriscylindricalinshapeand
allyweldedseams.Pipe-tappedferrules
andareweldedinplace.It isthefunction
videstorageofcompressedairsothere
availableforimmediateuse inbrake
the reservoiractsthroughtherelay
maticallyapplythebrakesintheevent
ofthesemitrailerfromthetractortruck.
ervoiristo provideaplacewherethe
ssion,maycool.Thiscoolingalsoallows
nsein thereservoir,wheretheymaybe
drain cock.
akesystemcharged,coattheout-
soapsudstocheckforleakage.Noleak-
eakageisfound,thereservoirmustbe
draincocktoreleaseairpressure.
sconnectairlines.Useflashlighttoaid
rrosionor excessiveaccumulationofdirt.
mightweakenthereservoir,replacethe
foundtobedirty,cleanwithhot water
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 77/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
.3).
irlinehose couplingsarelocated
ler(fig.3).Theyprovidea simpleand
nectinganddisconnectingairlinesbetween
tortruck.Thecouplingon theright
ilerislabeled"SERVICE,"andconnects
ovehicles.Thecouplingontheleftis
ndconnectstheemergencyairlinesof the
fthecouplingsis suchthatwhenthe
kisproperly coupledtothecorresponding
,pressureisplacedon tworubbergaskets
nairtightseal.This couplingjointcanbe
nnectedbyhand,yetissecuredagainst
alockpin.Hosecouplingsontheair
sothatcouplingsona tractortruckcan
semitrailer,eventhough theymaybe
dummycouplingsusedonthesemi-
bodybyshortchainsattachedtoplates
outsideofthehose couplings.Thepurpose
.3)is topreventtheentranceofdirt,
atterintothe airlinesofthe braking
totheair linesofatractortruck.The
rotecttheservicelineis drilledwitha
eventsair frombeingtrappedinthe
brakesappliedas longasairremainsin.
nnectedandbrakesapplied,coat
uds.If leakageoccurs,replacewornor
sketiswornordamaged,replace
ketfrom thecouplingwithascrewdriver.
cleanthe couplingwithdry-cleaning
osecoupling,giveparticularattentionto
angeof thehosecouplinggasketfits.This
oroughlyclean,otherwisethenewgasket
erly.
a newgasket,partiallycollapseit
onesideofthegasketflangei nthegroove
screwdrivertocompletepushingthe
UTION:I7secaretopreventdamageto
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 78/139
f thescrewdriver.Whenproperlyin-
ofthegasketwill lieflat,notbulgeor
onlockofacouplingconsistsofa
rojectsbeyondtheflat connectingsur-
nis maintainedinpositionbyacoiled
thecouplingbyaspring plugonthe
ovethespringplugso thatthespring
edfor cleaningorreplacement.
.
heemergencyandservicecouplings
fVz-inchpipeextendingthroughthefront
gbetweentheupperfifthwheelplateand
nchesinlength,threadedatboth ends,
enframecrossmembersbyjamnuts.Air
hesepipesbytubingconnectors(fig.18).
dtubingfittings,consistingofa
dy,frictionsleeve,andcompressionnut,
ectionsandto attachlengthsoftubing
heairbrakesystem.NOTE:Flared-type
ed forgasolinelinesmustnot beused
rbrakesystem.
unionconsistsof anipple-typefit-
ves,andtwocompressionnuts.Such
tnewtubingrepair sectionsatdamaged
airline.Such arepairismadeby cut-
onandsubstitutinga suitablelengthof
damagedsection.Ifrepairismadein the
etheoldfittingsare notremoved,two
elength ofnewtubingrequiredtomake
laying outthetwobodysectionsofthe
ew tubing,sothatthetotal lengthof
atedunionbodymembersisequalto the
tionremoved,lesstheoverlapof the
eold tubing.Atubingrepairatthe end
ade,exceptthatonlyoneunionisre-
repairedbytheaddition ofnewsections,
withsoapsudswiththebrakes set.No
eTubing.Whenreplacingtubing
edsections,cutthetubingto therequired
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 79/139
GROSS.2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
end ofthetubingis smoothandsquare
llofthe tubing.Makesurethatthe
crimpedormashedoutof shape.
airlineto removeallcuttingsand
yimportantthatthei nsideofthe
.Afittingis attachedtotheendof
anutonthe endofthetubing,tapered
theendofthetubing, andpushthe
recessedseatofthefittingbody.Hold
nd tightenthenutoverthe sleeve
ng.Tightenthenutonly sufficientlyto
useanewsleevewhenrepairingairline
bersmaybeusedagainif inserviceable
thsofhoseandhosefittingsare used
gencyvalvewiththebrakechambers.
eusedtoprovidea meansofmakingflexible
hesepointsbecauseofthespringsuspen-
suponthe semitraileraxle.Theendsof
dedwithdetachable-typehosefittings
dingtheadjacentsectionsofthe hose.
connectornutandpullhoseoutof
tempttoremoveusedsleevefromthe
se totherequiredlength,beingsure the
stothewallline ofthehose,andthat
oth.Blowoutthehose withanairline
cetheconnectornutandsleeveon the
rethebarbs ontheinsideofthe sleeve
hose.Placeanewgasketoverthe
nnectorbodysothesidewith there-
illbenexttothe hose.Removethepro-
asket.Placetheendofthe hoseinthe
uretheendofthehose andthegasket
he bottomrecessintheconnectorbody.
ary,untilitis againsttheedgeofthe
heconnectornutonlysufficientlytoensure
eninstallingthehose assembly,the
ndmaybeused asaswivelbyloosening
ectors.Thehoseshouldthenbeturned
esiredpositionbeforethe connectoris
mitstheinstallationofthe hoseassembly
beingkinkedor twisted.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 80/139
ASSEMBLIES
TA.
Eachhelperandmainspringassembly
o%-inchU-bolts,seatedona pillowblock
ring,andpassing throughholesina
eaxle.The U-boltsaresuppliedwith
washers.Acombinationspringseatand
ngislocatedbetweenthelowerleafof the
hespringseats arespacedontheaxle
eddowelholes inboththeaxleand spring
pringareheldin alinementbyfourspring
he helperspringleavesareheldin
psclampedaroundthefour upperspring
esteel
ch
de,%Qm- thick
,% in.thick
om- thick
ketslides
LIES.Therearendofeachradiusarm
neccentricadjustingbolttothe combina-
armcasting(fig.31).Bothendsof each
rubber bushingswhoseendsarecapped
ontendsof theradiusarmsareattached
frontspringhangersbythe endsoftie
pacertubespositionedbetweenthefront
her,castlenut,andcotter pinareattached
erod.Theeccentricadjustingbolt(fig. 33)
mentof theaxlewiththekingpinof the
y(par.42)(fig.34).
cboltassembly
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 81/139
GROSS.2-WHEEL(2dt),VAN
NDARDBODYCORP. MODELF16)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 82/139
ASSEMBLIES
GU-BOLTPILLOWBLOCKMAINSPRING
SARMBRACKETRAPD335755
sembly
ringconsistsof12leaves,including
esin length.Thedepthofthemainspring
ches.Theinnerpairof springclipsis
No.8leaf;and theouterclipsareriveted
pringcenterbolt passesthroughboth
thatbothspringsofthe assemblyare
singleunit.
bly.
esemitraileruntilthemain leaves
ttierodshortspacertubesin therear,and
rmsinthe frontbrackets.Blockthebody
nd lockwashersfromtheU-bolts
blytotheaxle,and removetheU-bolts.
omthehelperspring,andpry thehead
omitsseatin thespringseatcasting.
blyforwarduntilthemainleavesdrop
embly.Slidethespringassemblyback-
themainspringisfree fromthefront
pringassemblyovertheaxle andremove.
dHelperSpring.Themainspring
togetherbyacommoncenterbolt.The
atedonthetop ofthehelperspring.
pringcenterbolt, andliftthehelper
.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 83/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ves.UseaC-clamptoclampthe
point nearthecenterbolt.NOTE:Do
.Removetheboltsfromthe innerand
Easeoffthespringleaftension against
ringleavesbecomelooseon thecenter
e centerbolt,andreplacebrokenleaves.
g.Positiontheleavesofthemain-
hespringcenterbolt.Usea C-clamp
pointnearthecenteruntilthe spring
n thespringclips.Replacethespring
amp.Replacehelperspringonthe
urewithcenterbolt nut.
y.Slidethespringassemblyover
ontendinthefront springbracket,sliding
theradiusarmas aguide.Slidethe
r endofthespringwill passinfront
tierod.Liftthespring,and insertthe
arspring bracket,restingonthebracket
overtheaxleanduponthe springseat
ockinpositionoverthespring center
ng.ReplacetheU-boltsoverthespring
xle.Replacethespringclipplate, and
bolthighnuts.NOTE:Makesure that
reseatedinpositionbeforetighteningthe
LIES.
centric(fig.33).
eoftheradiusarm eccentricadjust-
emeanstorealineanaxleassemblythat
ekingpinoftheupperfifth wheelas-
ementtendsto "dogtrack,"ortrail
hepathmadeby thetiresofthe
tioncausesthetrailerto "whip"while
olofthe tractortruckandsemitrailer
scondition,ifnotremediedatonce,
etirewear.
ENT.
alevelsurface,lowerthelanding
ractortruck.
semitraileruntilthe springsrest
acerrodat therearandon theends
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 84/139
ASSEMBLIES
dEccentricAdjustment
rontofthespring; andthewheelsare
ground.Blockthebodysecurelyin this
elsofbothdual wheelassemblies
entbycarefullymeasuringthe
fthekingpinto thecenterpointofthe
dle end(fig.34);andby measuring
erofthe kingpintothecenterpointof
xlespindle.NOTE:Thelengthofthe
mustneverbegreaterthanthe check
t maybeasmuchas one-eighthinchless
ftheleftside. Ifthedifferenceinthe two
hanone-eighthinch,theaxlemustbe
nthe sideonwhichthelonger
Thelongermeasurementshouldalways
less theaxlehasbeenmisalinedas the
totalrequiredadjustmentislessthan
nusuallybecompletedbyresettingthe
only.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 85/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 86/139
ASSEMBLIES
theoutsideendofthe eccentric
nut untilitis runoutonthe bolta
theeccentricboltassembly
stthespringseatand eccentriccasting.
deofthe eccentricboltassembly
eradialseatsinthe adjustingcasting.Fit
shoulderonthe insideoftheeccentric
he directionwhichrotatesthewideface
xle.Thismotionwill movetheendof
dshortenthe "checkdistance"between
the centerofthekingpin.Stopthe
itionas toplacetheeccentriclockpin
n seatsintheeccentriccasting.Again
ntbymeasuringthedistancefromthe
hof theaxlespindlecenters.CAUTION:
-handmeasuremaybeasmuchas
ht,orcurb,sidecheckmeasure;butit
womeasurescanbebroughtwithinthe
djustmentisrequired.NOTE:Therea-
suremaybeas muchasl/&inchmorethan
utmustneverbeless, istocompensate
theconsequentshiftingof centerof
ddedstrainontherubberbushingsof
asthe effectofslightlyelongatingthe
andconsequentlylengtheningtheaxle
nthat side.
ssemblynutwhenthe!adjustment
thelockpinof theeccentricboltassembly
ftheeccentriccastingandreplacethe
tisrequired,followthe samepro-
tricassembly;exceptthat,tolengthen
th,theeccentricboltisturnedinthe
ewidefaceoftheeccentrictowardthe
eaxleawayfromthekingpin,thus
tweenthekingpincenterandthecenter
dle.Bringthetwomeasurementswithin
tep(d) above.
e eccentricboltassemblyas
replacethe cotterpininthe endofthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 87/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
semblyPartiallyDisassembled
omunderthesemitrailer,andthen
sembly.
rame onthesidefromwhichthe
beremoved.Theframeshouldberaised
hesideraised)arejust offtheground.
f theU-boltsfromthespringclip
olts.
gbrackettierod castlenutcotter
castlenut..
endofthespring totheframe
he endoftheradiusarm.
e rodfromthefrontspring hanger
ontendof theradiusarmofthe radius
seatin thespringseatandeccentric
etfromtheaxle.This operationfrees
ndit mayberemovedas.aunit.
Assembly.Withtheradiusarmas-
babove),theentireeccentricassembly
centricboltcotterpinandtheeccentric
todrivetheeccentricboltfrom the
ovethekeyedeccentricandthekeyed
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 88/139
ASSEMBLIES
centricbracket,andforcetherubberbush-
endboreoftheradius arm.Thisoper-
oftheeccentricassemblyfromtheradius
entricassemblyhasbeenremoved,any
replacement.
bly.Insertrubberbushinginstraight
itionintheeccentriccasting.Replace
ubberbushing,andreplaceeccentricbolt
ckpinoninside.Replaceoutsideferrule
eyedeccentricwiththeeccentricboltkey-
eplaceflatwasher,castlenut,andcotter
eforeseatingthepin intheradialgrooves,
entertheeccentricsothatthewiderface
themaximumadjustingrange,andboth
this positionwhenreinstalled.NOTE:
ementfollowingreassemblyandinstal-
ccentricassemblies.
sembly.Whentheeccentricassem-
ompleted,theentireradiusarm andeccen-
yreversingtheprocessof removal
tandeccentriccastingonthe axle,
emblyonthe springseat.Replacepillow
and installU-boltsinposition.Passends
spring clipplateundertheaxle,and
highnuts.CAUTION:Donottightenthe
nitsofthespring andradiusarmassem-
position.Centerthebushingboreofthe
minpositionin thefrontsprings
d backinpositionthroughthespring
eroneendof therubberbushing,and
erthe tierodandinto thebushingbore
theferruleon theoutsideendofthe
atwasher,lockwasher,andcastlenut.
ysuspensionsupportingthefrontend
me,allowingthespringtodropagainst the
dualwheelassemblies.
26).
gfromundersemitrailerframe.
ks.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 89/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
TA.
rop-forged,ofmodifiedI-beam
piece.Theforgedaxleisheat-treatedto
thwithminimumweight.Theaxlespindles
Timkentaperedrollerbearingsonthe
take No.5565Timkentaperedroller
s.The endofthespindleis threadedto
forVi-inchcotterpin, andhasamilled
tweenthespindlenut andouterwheel
reprovidedinsidethespindlesectionsfor
ntingplates.Eachmountingplateisheld
tbolts.Springseatsarealined ontheaxle
dowelholesin theupperfaceofthe
he combinationspringseatandeccentric
arespacedinthe springseatandeccentric
ngof38 inchesbetweenspringcenters.
rged tothepropercamberforthe rated
ailer(pars.45and 64).
tion
ameuntil thespringsrestonthe
erearspringhangerbrackets,andonthe
thefrontspring hangerbrackets.Block
osition,leavingthe spacebehindtheaxle
heelassemblycanberolledfrombeneath
ched.RemovethefourU-boltsholdingthe
mbliesto theaxle(par.41b). Detach
hebrakechambers(par.34).Prythe
astingsfromthedowelspacerpinson the
eassemblybackto therearofthesemi-
bracketspacerdowelpinsfromthedowel
acethe axleandwheelassemblyonsup-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 90/139
refreefromcontactwiththeground.Re-
es(par.25).Removethebrakeshoesfrom
(par.30).Removethecamshaftsfromthe
emovethebrakechambersandcamshaft
m(par.34).Removethebrakemounting
eflangesby removingtheeightbolts
eforCamber
end
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 91/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
eplacementisnotcommonbutmay
okenaxle,a bentaxle,orbyan axlewhich
axle,oranaxlewhichhas lostitscamber,
buteither conditionrequirescarefulcheck-
t.
.37).
sidesof thesemitrailerframebehind
djackup untilwheelassembliesareoff
assemblies(par.25).
egagein positiononthefrontside
necessarytoremovetheaxletocheck
mber.
ofthegageagainstthe centerlineof
noneaxle spindle,adjustthetwoprongs
geuntiltheycontactthecenterlines of
surfacesof theotheraxlespindle(fig.37).
llthreeprongs ofthegagetouchingtheir
esalongthecenterlineoftheaxle spindle.
earsideof theaxle,andagainplace
hebearingfaces.Ifeitherprongon the
egagefailsto touchwhenappliedalong
ingsurfaces,abentspindleisindicated.
minetheamountofthebend.If theindicated
inch,replacetheaxle(subpar.dbelow).
dlerevealsnobend,reversethegage
he oppositespindleoftheaxle,andcheck
thatspindlewithoutchangingtheadjust-
ranceoccursateitherbearingface,check
d isinexcessof0.002 inch,replacethe
bleprongsarein contactwiththecenter
s,theaxle isnotbent.
fig.36).
legagein exactlythesameposition
emannerasin checkingaxleforbend
iondirectlyundertheaxle.Inthis
stbetweentheinnerprongandthe center
urface.Theamountofthisclearancemust
ditmustnot belessthan0.060inch.If the
imits,replacethe axle.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 92/139
BLY
axle(par.44).
suitablesupportswiththeVa-inch
ntingbrackets.
bracketsandthebrakechamberas-
toseethatthe counterboredseatsforthe
haftbracketsfaceinwardtowardtheslack
t ispossibletoreplacetheball bearings
mshaft.
sandtheslackadjusters(pars.31
es(par.30).
assemblies(par.25).
n thedowelholesinthe upper
ndroll thewheelandaxleassembly
xleunderspringseats sothatthedowel
welholesinthelowerfaceof thespring
ringclipplates,lockwashers,and
orstobrakechambers(par.34).
eradjustment(fig.21),andadjust
ngfromunderthesemitrailerframe.
BLY
TA,
N.Theframeisfabricatedofstruc-
framesiderailsconsistsofa 10-inch
hesin length,upononeendofwhich
annelincreasingeachframememberto
Viinches.Thelowerframelinehas
nneljunction,andtheupperfrontframeline
ction.Thesiderailsare rigidlyjoined
turalchannel.Bolstersof6-inchI-beam
onthe10-inchframesection,and 4-inch-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 93/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
e6-inchchannelsectionof thefrontof
bothbolstersandoutriggerslie inthe
hefloorof thesemitrailerbody.Abumper
earendoftheframeand theupper
hekingpinis attached,andiswelded
rontsectionoftheside framechannel.
extendsbeyondthefront bodywall,
stthelowerfifthwheelplateof the
mitrailerisattachedtothe tractortruck.
o conformtothefrontbodylines,and
hebodyoutrailsare weldedtoendsof
soas bodysills,constitutingintegralchassis
nitdesign.Springhangercastingsare
d flangeoftheframechannel.Thetire
edtotheright framememberbyhookbolts,
ebracketis rivetedtothefrontof the
epointof theframedrop.
sbumper332Viin.
rubrails93 in.
th40l/a in.
onfromfrontoutrail3l/2in.
rameline5Viin.
FTHWHEELPLATE.Theextension
upper fifthwheelplateis3%6inches,
2.875inches.Thekingpinmountingflange
ndisweldedthroughholesinthe flange
pperfifthwheelplate(fig.39). The
efaceofthefifthwheelplate atintervals
e flange.
erbumperconsistsofa6-inchstruc-
boltsandmountingplatebracketstothe
bumperisfurtherreinforcedbydiagonal
ndframe(fig.38).
N.Thebodyofthesemitrailerisof
ngmetalsidesandroofcoveringsper-
bodyframe.Theseamsofthe bodywall
al"snap-on"typemoulding.Themetal
sealconstruction.Theloweredgeof each
tedbyaprotrudingrubrail whichacts
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 94/139
BLY
E
E
NUT
LOCKWASHER
talimpact.Thetwodoorsin therear
rtedby threehinges.Thebodyside
hfirpanel board,screwedtothebody
lityinmakingrepairs.
erstructureframingofthesemitrailer
on,reinforcedatpointsofstrain bysteel
dyframeare rivetedtothemetal
oining thebodyandthechassisframe
opbowsaresupportedonthe upper
frame,andareattachedtothe posts
chend ofthebowandto theopposed
sareof thetightpin-strap-and-
acketofthehingeis cross-boltedtothe
e,andthestrapis boltedtotheface
kis ofheavy-duty,triple-bolt
handle.Thelockhandleand escutcheon
sfor padlockingthedoors.
okassembliesofthesafetylatches
andthe keepersarescrewedtothesides
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 95/139
NGROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
EKINGPIN
are usedtoholdthedoors openwhen
militarytype IDwithattaching
dooris lockedshutbymeansof
defaceofthedoor attopedge.
BLIES.Eachofthe2 chockblock
ngthof Vi-inchchainwitha pear-shaped
riangular-shapedchockblockis attached.
derthe bodyfloorbyasafetysnap
ergencyparkingbrake.Thesafetysnap
efreeendofthe chainisattachedto
tpermitstheblockto beusedeither
altires.Each chockblockisbuilt up
A inchthick,andboltedtogether.
floorisIVi inchesthick,andis
stersand outriggersbyself-tappingmetal
e floorlineatthe dooropeningispro-
ncountersunkintothewood.
n.
all- 74%in.
76in.
g, 87in.
g..._,,.70 in.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 96/139
BLY
INTENANCE.
sisframeandvan-typebodyarecon-
,they cannotreadilybedisassembled.
assisframe-providessufficientstrength
ccidentaldamage;butif damagedoes
thoutdifficulty.Accidentaldamageto
dto arelativelysmallportionofthe unit,
emustbe governedbythenatureand
eframeassemblyshouldbecarefully
rvals.Lookespeciallyforbent,broken,or
reportsuchdefectstohigherauthority.
screws,andcheckalldoorhardwareto
econdition.
spurposeandexposedlocation,the
amagethananyotherunitofthe frame
hebumper,aswellas itsdiagonalbraces,
ramebyremovingthebumper mounting
damagedbumpermayberemovedfor
BLIES.Carefullyinspecttheattach-
aintothe frametoseethatit issecure.
be sureitis ingoodconditionandthat
heckthedoorsafetylatches,andkeep
ightenedonbothdoorand bodyplates.
ssecuredwithboltsand lockwashers
anentlytight.If,however,thelock
ce,theplywoodliningpanelofthedoor
kassemblyis accessibleforadjustment
theinsideoftheleft-handdoor.Be sure
in thekeeper.
conditionofthescrewsholdingthe
bottomedgesof thebodysides.Keep
elostor brokenscrews.Inminoracci-
quentlyrequiredtoabsorbtheimpact
rubrailoccurs,removethedamaged
eplace.
METAL.Minordentsinthe metal
eringoutthe dentsfromtheinsideof
ather-sealedcrossseamsofthetopare
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 97/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
theaccident,hammerthemetalof
caulkthejoint, andclinchtheseam
eringthemetaljoint inplace.Theouter
stenedwithboltsorscrewsandsoldered.
thisseam,removetheboltsor screws
on,hammerthemetalbackintoposition,
ANEL.Torepairadentedor dam-
epointof damageontheinsideofthe
osedplywoodliningpanel.Hammerthe
entherepairhas beencompleted,replace
the screwswhichsecureit.
nordamagetothedoorscanbere-
hedoors.If,however,removalofthedoor
woodliningofthe door;thenutshold-
removedwithanendwrench.Remove
door.
TA.
eentireelectricalsystemofthe
mtheelectricalsystemofthe tractor
ughthejumpercableofthe tractortruck
ocketassemblyofthesemitrailer.The
mitrailerconsistsofbothserviceand
ights,aservicemarkerlight circuittothe
servicedomelight circuitcontrolledby
(fig.40).
NDBLACKOUTTAILLIGHTCIRCUITS
ndtail, andblackouttaillightcircuits
rnessextendingfromthejumpercable
koutswitch(G)anda harnessextending
oafour-postjunctionblock(H) onthe
sframe.Fromthejunctionblockaharness
opandtaillight (I)ontheright, orcurb,
a harnessextendsfromthejunctionblock
andblackouttaillight(J)atthe rear
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 98/139
.Theblackoutswitchislocatednearthe
erbody,about32inchesto therightof
socket.Theblackoutswitchisemployed
m servicetaillighttoblackouttaillight,
oservicetaillight(fig. 41).Themain
hiscircuitextendsfromthe blackoutswitch
ght framesiderail,alongtheservice
fthwheelplate,acrosstotheinside ofthe
,andalongthewebof theframesiderail
ockonthe rearcrosssillofthe frame.
the serviceairlinebyclampbands,and
tedto theweboftheframeside rail.
T.Themarkerlightcircuitiscarried
by awiringharnessextendingfromthe
frontoutrailofthe frame,througha
eside railtothefront centerlineofthe
beneaththe floor,upthefrontof the
chesinthe roofbowstoatwo-postjunction
.Themarkerlightsinthe frontofthe
izedfromleadswhichbranchofffrom
owofthetopframe.The markerlights
nectwiththetwo-postjunctionblockon
Allmarkerlightsareon whenthesemi-
on"SERVICE"lightofthe blackout
ackoutswitchison "BLACKOUT."
Thedomelightcircuitis connected
ockontherear topbowofthebodyby
hichcarriesthemarkerlight circuit(fig.
witchofthedomelight circuitislocated
ngpanelof thebodyata pointjustfor-
erpost(par.5e ).Thedomelightsare
nlywhentheblackoutswitchis on
tcircuitisnotenergizedwhentheblack-
UT."NOTE:Domelightswilllightonly
his onandtheblackoutswitchison
).
psSinglecontact
res
ividualgrounds
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 99/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 100/139
P
NGSOCKETTERMINALS
HWIRINGHARNESS
uits
l.
WITCHHARNESS.
ngthejumper cablecouplingsocket
ilerandpullthesocketassemblyoutuntil
terminalandassemblycapisaccessible.
kwashersecuringthe groundter-
mblytothe centerboltofthecoupling
minalandthecapcoveringthe
tuds.
nd terminalcapsfromthecoupling
hichtheblackoutswitchharnessterminals
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 101/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
seterminalstudsare marked"TL"and
ofthe couplingsocket.
witchharnessterminalsfromthe
ecuredtothe bodyofthesemi-
allockwasheronthethreadedneckof the
ngtheslottedswitchcontrol,protrudes
ypanel.Removethenutandlockwasher
etheblackoutswitchbackthroughthe
lowertheswitchintoapositionbeneath
rframe wheretheconnectingterminals
washers,andboltsecuringthe black-
ettothe switchcase.Removethecover
ewsholdingtheblackoutswitch
andpasstheterminalconnectorsoutthrough
witchcase.
pulledthroughthegrommetinthe
harnessisinstalled byreversing
theoldharness.Referto thewiring
guideincorrectlyconnectingallterminals
ISHARNESS.
witchbyfollowingtheprocedurein
nectthemainchassisharnessterminals
ackoutswitch.
nessthroughthegrommetin the
sspassesfrombetweentheupper
mitrailerfloor besidetheservicelineof
totheair linebybandingclips.Access
pperfifth wheelplateandtheflooris
ortsectionsofflooringboardsat the
r. 65c).Disconnecttheroofharness
gterminalofthemainchassisharness,
mthefront endofthemainchassis
eclampswhichsecuretheharnesstothe
vertheupper fifthwheelplate,andpass
ehole inthecrossmemberoftheframe
erfifthwheelplate.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 102/139
cableclipswhichsecurethe main
trail oftheframe.
gtheharness terminalstothestuds
ocklocatedontheinner faceoftherear
yreversingtheprocedurefollowed
s.Referto wiringdetail(fig.41)for
nalsofthemainchassisharness.
IGHTHARNESS.
sterminalsfromthefour-postjunction
lipboltandcableclipholdingthe short
crosssillofthe frame.Turntheharness
thetaillightassemblyto releasethe
theconnectorfromthelight socket.
ghtharnessbyreversingthe pro-
ngtheoldharness.Refertowiring detail
ectingharnessterminalstofour-post
GHTHARNESS.
minalsfromthestudsofthe four-
vethethreecableclipboltsandcable
htharnessto therearcrosssill ofthe
onnectorineachsocketofthetaillight
nnectorlockpins,andpullthe harness
ockets.
yreversingtheprocedureforre-
eferto wiringdetail(fig.41)as aguide
arnessterminalstothe four-postjunction
HARNESS.
ningpanelfromthefront center
emovingthe screwswhichsecurethe
dyframe.
ectionsofflooringboards inthe
oor.
alofthemainroof harnessfromthe
ssisharness.Thisconnectionislocated
theframeat apointnearthefront of
blethroughtheholeinthesemitrailerfloor
oshortsectionsof floorboards.
ainroofharnessup alongtheinside
hebody,andpullthrough thecurved
framingofthe trailer.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 103/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
of thefrontmarkerlightsandthe
ctiveterminalsofthe mainroofharness.
ngtheterminalof themainroof
cklocatedonthe rearroofbowofthe
heterminalfromthestud ofthejunction
endofthetrailerroof, workthe
esintheroof bowsuntilfreeofthe front
ssecuringtheharnessto thefront
at thefrontofthetrailer.
harnessbyreversingtheprocedure
ss.Referto wiringdetail(fig.41)asa
sstoterminalswheninstallingnewharness.
HARNESS.
essterminalsfromtwo-postjunction
.Removecableclipscrewsandcable
stobodytopbow.Disconnectharness
rearmarkerlights.Removescrewswhich
leswitchto uppercorneroftherearleft
theswitch,anddetachtherear roof
toggleswitch.
arnessbyreversingtheprocedure
dharness.Refertowiring detail(fig.41)
harnessterminalswheninstallingnew
RNESS.
und harnessatthedomelighttoggle
swhichsecuretheswitchtothebodylining
romthe bodywall.Disconnecttheground
gleswitch.Removethescrewwhich
ssterminaltothe rearleftbodypost.
arnessbyreversingtheprocedurefor
.
LINGSOCKET.
bleCouplingSocket(fig.42).
LECOUPLINGSOCKET.Referto
DURE.
ashersecuringwiringharnessground
mblycovercap,andremovethegroundhar-
mblycap.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 104/139
SERT
T
SE
SULATOR
R
R
SEMBLYCAP
WASHER
etParfiaflyDisassembled
swhichsecurethe fourterminalstud
inalcapsand harnessterminalsfrom
umpercablecouplingsocket.
utsat thebaseofeachof thefour
ngsocket assembly.Removetheretaining
nassemblycenterbolt.
ersfromterminalstudsand assembly
mblyofthemainunit ofthecoupling
enterassemblyboltandremovingthe
actbladesfromthecase ofthecoupling
rcablecouplingsocketbyreversing
isassemblingthecouplingsocketassembly.
h.Refertoparagraph49a.
utswitch(fig.43)consists primarily
gaterminalblocksupportingsixterminal
onnectorscrews.Eachterminalisidentified
hatharnessterminalscanbe readily
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 105/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
S
ONBASE
TS
SHERS
VER
TTON
KWASHER
T
chPartiallyDisassembled
witchterminal.Theslottedswitchkeyin
s turnedbyinsertingacoinor screw-
eandcontrolkeyoftheswitchis protected
ain andwaterbyacircularcoverattached
errimofthe switchface.Completedis-
ot practical.Adefectiveswitchmustbe
entaldamage,theblackoutswitchshould
are.NOTE:Caremustbeexercisedin
wiringharnessterminalstopreventacci-
atemechanismoftheswitchassembly,
ocationofthe blackoutswitchon
curvedbodypanelofthefront ofthe
itchtothedangerof accidentaldamage.
tlyandtestit toseethatit isinproper
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 106/139
esingle-poledomelighttoggle
ghtcircuitonlywhenthe blackoutswitch
elightcircuitis offwhentheblackout
Thedomelightswitchisconnectedtoa
roofharnessandtoa terminalofthe
40).Theswitchtoggleis protectedbya
edbytwoscrewstotheli ningpanelof
fthedomelightswitch(par.5 e)
ctionfromaccidentaldamage.Theswitch
pectionorremoval.
tch.Exceptforminoradjustment,
tchshouldbereplaced.Thedamaged
SSEMBLY.Thetaillightassemblyisat~
tbytwostuds inthebodycaseof the
ht harnessconnectorinthelightsocket
pullouttheconnector.Removethenuts
studswhichsecurethe lightunittothe
ovethetaillightassembly.
LAMP-UNIT.Useascrewdrivertore-
frontcoverofthe taillight,andremove
seof thelightassembly.Slidethe
caseofthel ight.Lampsofasealedunit
ceadamagedunit(fig.44).
P-UNIT.Insertthenewsealedlamp-
tcase;replacethefront coverinposition
ewholesinthe coveraredirectlyover
nthe case.Replacethecoverscrews.
ositionthefixedstudsofthetail-
nthetaillightmountingbracket,and
ndnutsonthe mountingstudsofthe
Removethewoodscrewsholdingthe
movethe screwsholdingthelightcover
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 107/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
EWS
SING
LOWERUNIT
TUPPERUNIT
SINGDOOR
CREWS
UTLIGHTHOUSING
AILLIGHTUPPERUNIT
OUTHOUSINGDOOR
hfandMarkerLight,Disassembled
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 108/139
y.Removethefaceofthe domelightfrom
ghtsocket.Removethedefectivelamp
ewithanew lamp.
LENS.Removethedomelightas
thesnapr ingfromthefaceandlens
t,andremovethe defectivelens.Replace
lacethesnapring thatretainsthelens
ht(B,fig.44).
.Replacethedomelightcover,and
gthecovertothe faceandlensassembly.
whichsecurethedomelighttothe bodytop.
MP.
curingthemarkerlightto thebacking
tbodyand lensassembly.Removethe
e lightbackingplateassembly.
tsocket,andreplacethelightbody
ngthelightbodytothe backingplate.
HTASSEMBLY.
ssecuringthebodyandlens assembly
movethe bodyandlensassembly.
wssecuringthe lightbackingplate
e semitrailer.Disconnectthewiring
tassemblyfromthe rearroofwiring
ailofthemarkerlight assemblyout
ngplateassembly.Removetherubber
pig tailofbackingplateassembly.
connectorfromthebackingplate
mpfromthelightsocket,andpushthe pig
hesocket.
blyis replacedbyreversingthe
TA.
elandinggearassemblyisattached
0-inchsidesillsof thechassisframeat
p,and tothetwocrosschannelsofthe
earofthe framedrop.Thelandinggear
edto thesiderailsof theframe,andthe
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 109/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ssecuredtocrossmembersoftheframe.A
srivetedtotheright siderailofthe frame
aftofthelandinggear assembly(fig.45).
hafttothe shaftofthegearassembly.
crankshaftsothatitcanbe suspended
ennotin use.Thelegsofthe landing
pensateforvariationinthe heightoffifth
ortrucks.
EMBLY
CE
arance13in.
%in.
gearisoperatedbya crankthrough
alwormscrew.Thewormscrewpasses
ssemblyattachedtothebackbracesof
nd wheelassemblyisloweredbyturning
ckwisedirection,andraisedbyturning
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 110/139
ction.Toraiseorlowerthelandinggear,
crankholderonthe crankshaft,seatthe
crankshaft,andturn.Thetrailer must
oundwith thelandingwheelsdown.
chedtoa tractortruck,thewheelsmust
esemitraileris moved.
ARMECHANISM.
dBackBraceAssembly.Jackup
and placesafetyblocksundertheupper
thenuts,lockwashers,andboltssecuring
thehub capsandwheels.Removethepin
acestotheoperatingnut assembly,and
securethebackbracesto thelegassem-
ces.Removethetwonuts,lockwashers,
legassemblyto theleghingebrackets
heleg assembly.Removethetwonuts,
curingeachlowerlegcastingto theaxle
eshaft.Removethefournuts,lock
gthecrossbracestothe lowerlegcastings,
sfromthe crossbraces.
ScrewMechanism.Removenuts
coverplate,and liftoffthecoverplate.
her,andboltfromeachendof crankshaft
lloutthehandcrankandcrankshaftas-
fromhub ofmitergear,releasinggear
earingsleeve,gear,andshaft.Removethe
orizontalscrewshaft,anddriveout
movethegear,thrust bearing,andsleeve
eendofthewormscrew.Removenut,
arof thewormscrewhousing.Pushthe
thrustbearingis outofthehousing,
omtheend ofthewormscrew.Pullthe
cketfromthehousing.
thoroughlyin dry-cleaningsolvent.
lparts inordertofacilitateinstallation
ergearandwormgearteeth for
eplaceifdefective.Inspectthrustbearing
ceifwornor damaged.Inspectthehand
replacehandcrankhandleifbentor
nutandthewormscrewforextremewear
ditionisnotserviceable.
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 111/139
GROSS,2-WHEEL(2dt),VAN
NDARDBODYCORP. MODELF16)
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 112/139 P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 113/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ewormscrewandgearhousing.
the housingtotheframeare tight.Inspect
ket.Replaceifdamaged.
ectthelandinggearlegs fordamage.
ctthebearingsoftheupperleg hinge
earingsifworn.Inspectthelandinggear
ilholesarefreefromobstruction.Remove
nspect.Replacewornlandinggearleg
bolts andnutsoftheassemblyfor
wornordamagedboltsornuts.
echanism.Startthebronzenut and
nthewormscrew.Holdthebracketand
he bracketisatthefront endofthe
aringontherear endofthewormscrew,
ndbracketassemblyin thewormand
ethrustbearing upwiththeboltholes
ear thrustbearingbyinstallingbolt,lock
erearend ofthehousing.Placethe
dgearonthe frontendofthewormscrew,
e wormscrewshaftandthegearhub.
the jamnut.Installthemiter gear
earingonthe mitergearassembly.With
pthegearonthe endoftheshaft,at the
perholesinthegear hubandshaft.
vingin thetaperpin.
Slidetheconnectingsleeveonthe
bolt,lockwasher,and nutsecuringitto
haftofthe handcrankassemblythrough
,andinserttheend ofthecrankshaftin
heendofthe gearshaft.Lineupthebolt
eplacelockwasherand nut.
tionthegearhousingcoverplate
and installthenuts.
raceAssembly.Reassemblethe
eassemblyandcompletetheinstallation
eforremovingtheassembly(par.55 a).
elsofthelandinggearassemblybefore
shaft,andlubricatethe landinggearat
tionOrderwhenreassemblyhasbeen
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 114/139
ARRIER
AINTENANCE.
wheelandtirecarrier assemblyis
,lockwashers,andnutsto theright-hand
bout52inchesforwardfromthe front
andtireassemblyis elevatedintoposition
typedoublecablelift.Theendsofthe
ts,lockwashers,andnutsto ananchor
heelevatingmechanismispassed
fthe wheelandretainedinpositionby
atingmechanismofthecarrierispro-
d tireassemblyinpositiononthe four
carrier.Thewheelandtireassembly
thecarrierby meansofnutsofthesame
sedtosecurethewheelassemblytothe
winchof theelevatingmechanismis
itionby aratchetwheelmountedonthe
tofthe winch.Theratchetislockedby
meof thecarrierassembly,andpositioned
eratchet.Thewinchofthetire carrier
ythetirewrenchofthe tractortruck
r.
ING.Precautionmustbetakentosee
oltssecuringthetire carriertotheframe
ght. Thesenutsarelocatedonthe
ierframe.
MBLYMOUNTINGNUTS.Keepthe
blymountingnutstight atalltimes.The
gnedtocarrythe weightofthemounted
LTS.Keepthefournuts securingthe
tstight.
TIREASSEMBLYFROMCAR-
efournutssecuringthewheelandtire
me.Placethetire nutwrenchonthe
andreleasethe tensionagainstthepawl
sengagethepawlofthe ratchetassembly,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 115/139
GROSS.2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF161
e assemblytotheground.Disengagethe
rrieroperatingmechanismfromthewheel
TIREASSEMBLYONCARRIER.
sparewheelandtireassemblydi-
mechanismofthecarrierwiththe convex
wardthe carrier.Disengagethepawl
rthecableanchorplateto thespare
nserttheanchorplate inthehubhole
pacerstopsof theanchorplateinthe
positionthepawlinthe teethofthe
utwrenchontheoperatingnut ofthe
eelandtireassemblyintoposition onthe
e carrier.Securethenutsontheanchor
dtireinposition.Disengagethe pawl
t backinpositionafterthetensionon
enreleased.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 116/139
EINSTRUCTIONS
regardingoperationalinspections,
mentofthesemitrailerbrakesystem,refer
8to 39.Troubleshootinginformation
rveasageneralguide incheckingthe
aultyoperation,andwhethersuchmal-
of theairsystemorto defective
akeassembly.
designedbrakesareusedonthisvehicle,
ceinstructionsfortheslackadjusters,air
ergencyvalve,andthebrakechamberswill
isthepurposeofthis sectiontocover
ection,andrepairof thebrakeshoes
ON,ANDREPAIROFSHOESAND
movethebrakeshoes(par.30)and
udingthelinings.Removeallcapscrews,
uringliningstoshoes.Carefullynotethe
sto determinewhethersalvageis
cleaninghasremovedalltracesofim-
ustbescrapped.Iffree fromoilandof
uniformity,theblockcanbereinstalled.
stalledonshoeafterdisassembly,mark
ssembly.Onlysalvagedliningsof the
talledona brakeshoeassembly.Never
edblockonthesameshoe.Ifbrakeshoe
aftercleaning,replacerollerorroller
c).Iftheoilitebrake shoebushingsare
utthedefectivebushings,andreplace.
shings.Pressonebushinginto
e,leavingtheend ofthebushingflushwith
otherbushingintoborefromthe opposite
memanner.Shoebushingsaresupplied
r.Testanchorpinin bushingborefor
y,reamto 1.132inchessubpar.ebelow).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 117/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
s.Positionrollerin slottedsection
nstallrollershaft,using asofthammer.
onin shoebyplacingfourheavycenter
esadjacenttoshaft atfourequallyspaced
shaft.CAUTION:Whenmakingcenter
rollershaft withpunch.
brakeshoehasbeensteam-cleaned,
eofshoes.
rances.
shing1.3155in.
fterassembly)1.132in.
cebeyond)0.25in.
.313in.
gs.Placenewbrakeliningscrew
ning.I ftheheadofthe screwprojects
urfaceofthelining,discardthelining.
nalcountersunkholesinwornlinings to
ush withoutersurfaceoflining.
M(fig.14).Removethebrakedrum
anallparts.
.Checkbrakedrumforout-of-
within 0.010-inchtotalindicatorreading.
mifoutof-roundisnotexcessiveanddrum
condition.Heatchecking,unlesssevere,
replacement.Checkinsidediameterof
Remachineifwearisnotexcessive.Replace
sible.
Itispermissibletoremachinedrums
eir originaldiameterwithoutshimming
ent,thedrummaybemachinedbeyond
drumbrakingsurface;however,shims
weenbrakeblocksandbrakeshoes used
shimsmustbeof properthicknessto
ebetweenbrakelininganddrum.
.Positiondrumoverdrumpilotof
gstuds inthehubassembly.Replace
ts.NOTE:Tightenopposednutssucces-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 118/139
topositiononthehub evenlytoprevent
erances.
d16.030in.
TA.
heaxle isforgedwiththeproper
tedloadcapacityofthe semitrailer.This
oundsisexclusiveofa safetyfactorsuf-
alemergencyoverloadswithoutproduc-
oftheaxle.CAUTION:Intentionalover-
illnot bepermitted.Mostcasesofper-
eduetoaccidentratherthanoverloading.
edon twofocalpointslocatedonthe
tersofthe springs,andthemaximumbend-
s.Permanentaxledeflectionduetoover-
points.
dle,outsidebrakeflangeface....14V6in.
er27/&in.
akeflangefaces49%in.
axledowelholes36in.
n.
ON,ANDREPAIR,
vetheaxleassemblyfromthesemi-
ar.44).
leantheaxleandallitsparts.Scrape
theaxlebeam.
hreadsfor excessivewearordam-
weldingnewmetalandremachinenew
processmaybesubstitutedforwelding
r remachining.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 119/139
GROSS,2-WHEELC2dt),VAN
NDARDBODYCORP.MODELF16)
rwear.Buildup wornseatsbyweld-
nd remachinebearingseats.
d37).
rbend (par.45b).Ifbend in
catedbygage,employcold-pressprocess
(par.45c). Ifclearanceontheaxle
inch,orlessthan0.060i nch,employ
mberaxlewithinindicatedlimits.
axlespindlenutsforwornor stripped
badlywornordamaged,discardnut.
TA.
eframeandbodyofthe semitrailer
anintegralunit(par.46).The drop-type
bricatedofstructuralchannelsandI-beams,
binethegreatestpossiblestrengthwith,
rbroadshocks,andto minimizethepos-
aresultofvibration.Theelasticityof the
e ofreinforcedwoodframing.Metal
sedatpointsofgreateststrain inthewood,
hemetalsidepanelingof thebody
hewooduprightpostsofthe bodyframe,
erbodyplates.Thejointsofthe side
nap-on"moulding.Thebasememberof
nailedtothe woodframemembersof
enthedomecapand thefrontbody
ticmoulding.Thelowerbodyline ofthe
aflat strapmetalmoulding,andthelower
elsarecovered,andprotected,byformed,
the bodyframebyscrews.
medupon 16-gagemetalchannels.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 120/139
unit,coveredbyametaloutsidepanel,
insideliningattachedtothemetal
adingmetalscrews.Anoakbackingrail
yoppositethepointof attachmentofeach
he hingestrapsaresecuredtothe doors
bolts.Thedoorlockmechanismis
ermetalpanelandtheplywoodlining
orbolts projectthroughtheupperand
s,andacenterlatchengagestheleft-hand
elockhandle.Theoutside,orside
e equippedwithprotrudingweatherseal
ongerubberinsertsset intogroovesin
cornerpostassemblies.Thetopedgeof
edge oftheright-handdoor,areequipped
ealflangeswhichpressagainst thefaces
stripsset intothetopedgeof thedoor
semitrailer,andintoachannelalong
-handdoor.Theinsidefaceofthe
s equippedwithaflush-mountedsponge
hseatsagainsttheangularmetal door
ebodyfloorboardsin linewiththe
fullyclosedposition.
orofthesemitrailerbodyis screwed
echassiswithself-tappingmetalscrews,
wstothewoodend railblockssetbetween
dbodyframe.Removablefrontendsec-
ardsareprovidedto giveaccesstothe
ifthwheelplateandthe floor.Theupper
ethroughtheopeningprovidedbyremoval
anels 22ga
ga
3Ib
.5Ib
ectionsatframedrop20 in.
s11.5Ib
4Ib
f12-in.channel10.6Ib
n.x 40in.x58 in.
th wheelplate38in.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 121/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
.38).Thebumperis offull-body
elbracketswhoseupperedgesarewelded
ramesiderails.Theclearspacebetween
fthechassisframeis2 inches.Thebumper
amebracketsbyangular mounting
per,andtothe channelframebrackets.
reboltedtothe frameandtothebumper
orttothe outerends.
movetheboltssecuringthe bumper
ackets,andfromtheanchorplates ofthe
NNEL.Thebumperchannelcanbe
smethodorbyheating.Inspectflangesfor
MPERBRACES.Removedamageddi-
yremovingtheboltssecuringthe anchor
ame.Straightenbentbracebycold-press
ectdiagonalbraceforcracksorother
herdefectiveportionofbrace.Inspect
chorplatestobodyofthediagonalbrace.
ve,rewelddefectivesection.
ctallboltsandnutsofthe bumper
defectiveboltsandnuts.
ethebolts,lockwashers,andnuts
estotheframe.Tightenthe nutsofthese
thebumperbar hasbeenattachedtothe
oftheframe,andtothe anchorplatesof
reallboltsofthe assemblybyfirmly
WheelPlate.
FROMTRACTORTRUCK.Lowerthe
trailer,anddetachthesemitrailerfrom
WHEELPLATE.Removethefront
elofthebody.Removethescrewssecur-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 122/139
rboardsectionsinthefront centerofthe
rtsectionsofflooring.Carefullyinspect
wheelplateadjacenttotheweldsofthe
tionoftheplatefor cracksextendingunder
nd examineallweldedsectionsaround
ngeforfailureofweld.Followinspection
pperfifthwheelplatebya carefulinspection
ate.Noteespeciallythesurfaceofthe
dthesurfacesurroundingthekingpin.
tionofthelowerfaceofthefifth wheel
erthe platehasbeenthoroughlysteam-
dintheplate nearthekingpin,they
ingthe uppersurfaceoftheplate.
hekingpinwitha hammertodetect
earmetallictonein thesound.Ifthetone
weld-failuremaybe thecause.Checkall
perfaceoftheupperfifthwheelplate to
ewelds.Checkthekingpinforexcessive
toleranceplusorminus 0.005
shoulder2.975 in.
rfifthwheelplate3%6in.
estandard2-inchdiameterofthelatch
chesor less,itisadvisableto replacethe
ancepermitsexcessiveplayinthe lock-
l ofthetractortruck,butdoesnot pre-
ingofthe kingpininthefifthwheel.
movedefectivekingpinbysevering
deof thekingpinflange.Thebodyofthe
ugweldstotheupperface oftheupperfifth
riangularsegmentsofthe flangearound
ds.Whenall theplugweldshavebeen
angeofthekingpin,the pinmaybedriven
upperfifthwheelplateand removed.
xercisedincuttingthekingpinflange
theplugweldstopreventexcessheatfrom
gintothemetalsurfaceof thefifthwheel
atecanbest beprotectedbydirectingthe
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 123/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
flangefromaplanehorizontaltothe
ate.Carefullygrindany metaloftheold
ceofthe upperfifthwheelplate.
tionthenewkingpininthe holein
If theflangeofthepin doesnotfit
eoftheplate,grind offanyexcessmetalof
aceoftheplatethatmaypreventclose
ththe surfaceoftheupperfifthwheel
pininposition,andbuildup theplug
cessiveweldsinopposedholesintheking-
weldshave beencompleted,weldthe
to theplateatseveralpoints aroundthe
tion.Replacethetwofloorboard
ecenterfrontofthesemitrailerfloor.Re-
hemetal crossbolstersofthechassis
odscrewswhichsecuretheforwardends
oodframe membersofthebody.Replace
the centersectionofthebodyfront,and
ithscrews.
ARMS.
toparagraph41.
emblethespringassemblies(par.
parts.Carefullycheckeachpiecefor
brokenordamagedhelperspringclips.
andnutsfor strippedthreadsorother
edboltsornuts.Checkeachspringleaffor
enterboltholes.Replacedamagedspring
avesagainstcorrespondingnewleavesto
veshavelostcamber.Camberofanas-
gleleaf,isdeterminedbyplacinga straight-
aceofthespringwith thestraightedgerest-
Theamountofcamberis determinedby
omthesurfaceoftheleaf atthecenter
straightedgewhichisin contactwiththe
vesarerecambered,theyshouldbetem-
respondingnewleaves.
esurethatallrust hasbeenremoved
vesbeforebeginningtoreassemblethe
eavesintheirproperorder onthespring
P u b l i c D o m a i n ,
G o o g l e - d
i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s
_ u s e # p d - g
o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 124/139
ntbetweenthespringleaves.Assemble
onthespringcenterbolt,progressingfrom
ivelylongerleaves.Usecareto nestthe
ttachedtotheendsofthe fifthandeighth
Theleavesofthe helperspringareas-
onthecenterbolt ofthemainspring.Usea
resstheleavesofthemainand helper
mainspringcenterboltnut canbeapplied
themainspringclipbolts, ferrules,and
ethe helperspringclipsbyreclamping
downuponthefaceofthe mainleaf.
ring6,600Ib
pring1,900Ib
rs46in.
pring4Viin.
spring3%6in.
enterbolt7l/a in.
sembly.Refertoparagraph42b.
mbly.
EANRADIUSARMASSEMBLY.Dis-
ssembly(fig.35).Steam-cleanallparts
erubberbushings.Discarddefectiverub-
onspringseatandeccentricbracket
d,broken,orotherwisedefective.
the eccentricboltandoftheeccentric
strippedthreads.Replaceboltsornuts
hreads.
boltlock-pinfromthefixedeccentric
xaminefor wearordistortion.Replaceif
gedrubberbushingferrules.
herwisedamagedrubberbushings.
cracksor otherdamage.Replace
adiusarms.
mbly.Refertoparagraph42.
Refertoparagraph41f.
ycheckall-weldedorrivetedjoints
ffailure ordamage.Reweldde-
elooseorbrokenrivets.Checkallboltnuts
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 125/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF161
Examinethreadsonallboltswhereloose
thethreadson allloosenuts.Replacebolts
fectivethreads.Replacebrokenorde-
ckflangesofframechannels,andrepaira
.Checkallbracketsrivetedtotheframe.
nbrackets.
Ashortjack,alengthof 3/s-inch
areall thetoolsusuallyrequiredfor
emember.Setupthe jackinachaincradle
he pointofthebendwith thejackscrew
tside,or convexside,ofthebend.Screw
ufficientpressureto hold,andapplyheat
y useofthetorch.Graduallytightenthe
temperatureofthebentsectionoftheframe
pletethestraighteningprocesswitha
d chain,resettobringthe pressureof
nttobe bentwhenheated.Kinkswhich
heprocessof straighteningmaybeheated
hilehot.
TA.
the purposeofthelandinggearto
orwardsectionof thesemitrailerwhen
uck.Thecompletelandinggearconsists
dentassemblies.Thesupportingassembly
rleg andwheelandaxleassembly.The
nsistsofahandcrank,acrankshaftextending
egearshaftofthe wormandgearassembly,
ectingthelowerendsofthe landingwheel
andoperatingnutofthewormscrew.The
oweredor retractedbytheforwardor
eguide bracketandnutactuatedbythe
ngmechanism.Theupperendsofthe leg
o,andhingeupon,bracketsattachedtothe
trailerframe.Thehousingoftheoperating
crossmembersofthesemitrailerframemid-
.Thehandcrankof theoperatingmecha-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 126/139
tsideofthe semitraileratapointopposite
atingscrewassembly(fig.45).
ablelegs341%6in.
blelegs201%6in.
gbrackets1Vii n.
geoflegassembly15Vsin.
eextendedwheelassemblywith
ctortruck2in.
ngnuttravelonwormscrew26 in.
hubcap assembly527/ain.
eelsaremalleablecastingshaving
Thewheeldiameteris10inches,andthe
almaintenanceisrequiredotherthan
withtheLubricationOrder(fig.8).A
mustbereplaced.Wheelhubsarenot
ar,sincethetotalturningactionof the
a completeextensionorretractionofthe
essthanone completerevolution.The
eanandfreefromrust.NOTE:Thesemi-
while theweightofthevehicleis resting
sembly.
aftis 1l%6inchesin diameter.Itis
andinggearassemblybyasplit mounting
at thelowerendofeachlowerleg casting.
edtothe axlebybolts,lockwashers,and
EELAXLE.Extendthelandinggear
mitrailerfromthetractortruck.Blockthe
urelyinposition,andretractthelanding
elandingwheelsfromcontactwiththe
lockwashers,andboltssecuringthehub
caps.Removethelandingwheelsfrom
ft.Loosenthenuts ofthefourtensionbolts
e splitmountingboreofeachleg casting.
ountingboreis notreleasedwhenthe
ned,forcesmallwedgesbetweentheex-
ountingboreuntiltheaxleshaft canbe
ull theaxleshaftfromtheleg assembly.
-cleantheaxleshaftandexaminefor
taxle canbestraightenedbythecold
orotherwisedefectiveaxlemustbereplaced.
EELAXLE.Installalandingwheel
procedurefollowedinits removal.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 127/139
GROSS,2-WHEEL(2dt).VAN
ANDARDBODYCORP.MODELF16)
EASSEMBLY.
chlegofthe landinggearassembly
pperandlower legcasting.Theupper
ordownin thelowercastingtopermit
the legassembly.Arowofholeslocated
he upperlegcastingqanbebroughtinto
owerlegcasting,andthe twolegmembers
thby twoboltsthroughtheopposedholes.
egbracketofthesemitrailerframeby a
alemite fittingforitsproperlubrication.
castingisequippedwithasleeve-type
n alinementbytwocrossbracessecured
fromtheinnerfaceofeachlowerleg
areattachedtothelowerleg castingsbyfour
nuts,andlockwashers.
bracesconnectthelegandlanding
crewoperatingmechanism.Theback
wer endofthelegcastingsand tothe
screwmechanism.
E.Detachthesemitrailerfromthe
thefrontend withthelandinggearfully
dingwheelassemblyuntilthewheelsare
ecotterpinfromthe hingepinwhich
otheguidebracket,andremovethe hinge
andhingepin whichsecureseachback
fa legassembly.Examineeachbracefor
olesandforcracksinthe braceatthe
eisbadlyworninthe hingepinholesor
acethebrace.Thebackbracesaremade
nbe repairedbywelding.Aneworre-
edbyreversingthe procedurefollowedin
SEMBLY.
ecrankconsistsofacrankarm,a
handlebolt.Theshaft endofthecrank
ttachmenteyeandtwoboltslotswhich
tachmentboltin thecrankshaft.When
teyeispulledfromthe endofthecrank-
armslideoutupon thecrankattachment
onthebolt,permittingthecrankto be
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 128/139
yofthe semitrailerandhookedupona
omthecrankshaft.Theouterendofthe
hasupportbearinginthe endofthecrank-
herightframeside railtotheshaft coupling
thegearshaftofthe operatingmechanism.
hedtothe crankshaftandtothegearshaft
s,lockwashers,andnuts.
ssembly.Adamagedcrankand
ovedbyremovingthenut,lockwasher,
kshafttothe couplingonthegearshaft
m,andremovingtheoldshaftfromthe
kshaftbracket.Toinstalla newcrank
heendof thecrankshaftthroughthesup-
aftbracket,placethecrankhangeron
heendof thecrankshaftintotheshaft
hafttoalinetheholewith theholesinthe
olt,lockwasher,andnut whichsecuresthe
.
Abentcrankshaftcanberemoved
ld-pressprocess.Inspectallboltsand nuts
mbly.Replaceboltsornuts havingworn
tentheboltswhichsecurethecrankshaft
hesemitrailerframe.Replaceawornor
ket.Replaceabrokenordamagedcrank
NGASSEMBLY.
erGearMechanism.Refertopara-
atingAssembly.Steam-cleanall
atingassembly.Inspecteachpartcare-
ects.Examinethegearandscrewhousing
accident.Repairorreplacedamagedhous-
aringsandreplaceifthey showexcessive
gearsforexcessivewear,crackedorbroken
whichwouldpreventtheirproper function-
efectivebevelgears.Inspecttheoperating
ethreads.Replacedefectiveoperating
nutofthe screwassembly.Replaceif
ve.Inspectkeysandpinsforwearor
fectivekeys.Examineboltswhichsecure
gto thechassisframe.Replaceboltsor
ads.
tingAssembly.Refertoparagraph57.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 129/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ARYSTORAGE
ONS.
cshipmentofthesemitraileris the
ofminoraddedprecautionsaspreparation
eparationforshipmentbyrailincludes
esemitrailer,blockingnecessaryforse-
otherinformationnecessarytoproperly
mesticrailshipment.Formoredetailed
ationforindefinitestorage,referto
MPORARYSTORAGE.
redfor temporarystoragearethose
cebutnotusedfor lessthan30days.If
elystoredaftershipmentby rail,they
storageat theirdestination.
temporarilystored,takethefol-
ecompletely(par.8).
andproperlyinflatealltires, in-
ithserviceabletiresalltiresrequiringre-
otstore rubber-tiredvehiclesonfloors,
whicharesoakedwithoil orgrease.Wash
ease,gasoline,orkerosenewhichcomes
anycircumstances.
rationforlimitedstoragemustin-
ricationservicetocheckonthegeneral
orrectanydefectsnotedinthevehicle
leisstored,ornote onatagattachedto
upling,statingtherepairsneededor de-
ent.Awrittenreportofthese itemsmust
erincharge.
E.Removerustappearingonany part
flintpaper.Repaintpainted surfaces
otectwoodormetal.Coatexposedpolished
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 130/139
ARYSTORAGE
etorust,suchaschains,withmediumgrade
l.Closethedoors.Leaverubberfloormats
lledpositionon thefloor,notrolledor
ystematicinspectionjustbeforeship-
etoensureall abovestepshavebeen
cleisreadyfor operationoncall.Make
ageditems,andattachit totheservice
ertoBefore-operationService(par.10).
wheels.
orage.Inspectvehiclesinlimited
ures,evidenceofvandalism,tampering,
KINGFORRAILSHIPMENT.
tothe preparationdescribedinpara-
ehiclesarepreparedfordomesticship-
rationandprecautionsmustbetaken.
esmustbelocatedonthecarin such
carfromcarryinganunbalancedload
abrake-wheelclearanceofatleast6
scontainingordnancevehiclesmust
MP."
ncevehiclesmaybeshippedonflat
rdrop-endgondolacars,whichevertype
.
heneverpossible,loadandunload
ymeansofthe towingvehicle,usingper-
anningplatforms.Movementfromoneflat
gth ofthetrainis madepossiblebycross-
tforms.Ifno permanentendrampis
ampcanbemadefromrailroadties.
gondolacarswithoutdropends byusinga
curingorblockingavehicle,three
wise,andbouncing,mustbeprevented.Two
cleonfreightcars(fig.47) aregivenbelow.
mustbelocatedagainsttheoutsidewheel
TOFVEHICLE)(fig.47).Position
arof andagainstthekingpinsothat cross
hetrailerframe,nail onecleat(2-in.x4-in.
ossbeamagainstthe outsideoftheframe
-pennynails foreachcleat.Toe-nailthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 131/139
GROSS,2-WHEEL(2dt).VAN
NDARDBODYCORP. MODELF16)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 132/139
ARYSTORAGE
loor,using40-pennynails.Toe-nailbraces
arfloorwith40-pennynails.
OFVEHICLE)(fig.47).Placeone
choutsidewheelandoneat therearof
ocks(C)required).Nailtheheel ofthe
five40-pennynails,andnailtheportion of
thecarfloorwith two40-pennynails.
outsideofeachwheel(fourcleats(D)
eattothe carfloorwiththree40-penny
eattothe cleatbelowwiththree40-penny
ig.47).Securevehicleinfront(H)
ping,consistingoffourstrands,two
blackannealedwire,passedthroughthe
ear,andsecureat thestakepocketsofthe
rofvehicle(K)bystrapping,passingwire
attachingatthecloseststakepocket.Secure
ngwire throughoppositeopeningsin
atthecloseststakepocketof thecar.Se-
passingwirethroughthespringshackles
cketsofthe car.NOTE:Angularityof
d beapproximately45degrees.
ONTOFVEHICLE).Thefrontof the
easin firstmethod(step(1)above).
AROFVEHICLE)(fig.47).Placeone
ndone acrosstherearofthe wheels.
aslongasthe over-allwidthofthe
cecleats(G) againsttheoutsidefaceof
ks(F).Nailcleats(G)toblocks(F) with
nailsateachend ofcleat(G).Placecleats
othe frontandtwotothe rearofeach
wercleattothe carfloorwiththree
achtopcleatto thecleatbelowwiththree
Strappingisappliedinthesecond
ve.
r-all)336in.
all)95Vzin.
-all)133Viin.
pervehicle222sq ft
cle2,479cuft
e8,000Ib
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 133/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
ES.'
sindexesshouldbeconsultedfrequently
onsofthe referencesgiveninthissection
elatingtomaterielcoveredin thismanual:
eCatalog(explainingASFCat.
forSupplyIndex(in-ASFCat.
cations(listingFM's,
restto ordnanceperson-
ofSR's,OSSC's,and
abeticallistingofOrd-
blicationspertainingthere-
aining(listing MR's,
TM's,andTR'scon-
mStrips andFilm
andFB'sbyserial num-
inggraphictrain-
anddisplays)FM21-8
LATURELISTS.
lubricationmaterials,
ndmiscellaneousre-
tsSNLN-21
d,15-tongross,2-wheel
G-677
dingmaterials,gases,
ervicecommand,automo-
tSNLN-19
epairofautomotive
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 134/139
ATIONS.
s.
10-580
M10-540
alTM38-250
nitsTM10-560
ngTM21-300
0
M1-455
850-15
andpreventivemain-
0
solineAR850-20
ehiclesTM9-2800
r.
icating,andwelding
sissuedbythe
M9-850
ndserviceofcombat
materielOFSB6-11
neumatictiresand
owerbrakesystems
9-1827A
nmaterialsandequip-
redforcevehiclesFM17-59
attackFM21-40
sFM5-25
pmentchart,group
clesAR850-10
gofmechanizedand
nt,alsomajorcaliber
Armyand Navy,
blishedbyOpera-
partmentofAsso-
ads.
quipmentAR850-18
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 135/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELFT6)
s35
plication68
esent41
d
y
24
24
eakage
oper-
kas-
repair117
nstal-
oval88
t65
ket....66
t(cones,
-
kes115
00
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 136/139
55
apply39
25
test32
32
semi-
entof
cle.13
ck...12
(landing
ndre-
st37
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 137/139
GROSS,2-WHEEL(2dt),VAN
ANDARDBODYCORP.MODELF16)
tenance
d
g67
nt122
11
ggear)
ent
s)
sem-
mas-
d
ket.102
1
y P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
8/22/2019 TM-894 SEMITRAILER OMAHA F 16
http://slidepdf.com/reader/full/tm-894-semitrailer-omaha-f-16 138/139
0
es
mbly
1
ent
2
9
vices30
o.7370 5
nggear)127
15
nstruc-
ncein-
est.. 36
cen-
andin-
7
uring
es.130
yser- P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e