SMKN 7 MATARAM

JUDUL JOB SHEET :REM CAKRAM

WAKTU :

STANDAR KOMPETENSI :Melakukan perbaikan sistem rem

NAMA SISWA :

KELAS:

MOTOR PRAKTIK: PROGRAM KEAHLIANTEKNIK SEPEDA

MOTOR

I. TUJUAN PENGAJARANa. Siswa mengerti dan memahami fungsi remb. Siswa mengerti dan memahami rem cakramc. Siswa mengerti dan memahami tentang komponen rem cakram

II. PETUNJUK PENGERJAANa. Bongkar unit rem dengan prosedur yang benarb. Amatilah unit rem cakramc.Tulis / sebutkan nama komponen.

III. KESELAMATAN KERJAa. Hati-hati dalam mengunakan alatb. Gunakan prosedur pembongkaran yang benarc. Letakkan peralatan dengan baik dan benar

IV. ALAT DAN BAHANa. Alat

No. Nama Alat Spesifikasi Jumlah1.2. 3.4.5.

Cady ToolSnap ring plierVernier Caliper Bearing PullerBearing Installer

1 set1 buah 1 buah1 buah1 buah

b. Bahan

No. Nama Bahan Jenis Bahan Spesifikasi Jumlah1. Unit Roda 4 unit

V. LANGKAH KERJAa. Lepaskan panel rem depan dari roda.b. Lepaskan kanvas rem dari panel rem.c. Lepaskan mur dan baut pada tuas cam pengungkit rem (1)d. Lepaskan tuas cam pengungkit rem, petunjuk batas pemakaian rem, washer, pegas,

O-ring, Cam rem e. Ukur ketebalan kanvar rem.

VI. GAMBAR KERJA

Gambar 1

Gambar 2

Gambar 6

Gambar 3

Gambar 4

Gambar 5

Pertanyaan 1Sebutkan nama bagian dari rem cakram dan jelaskan (lihat gambar 1dan 2)

Nama bagian gambar 1 :

1. ____________________ 5. ____________________

2. ____________________ 6. ____________________

3. ____________________ 7. ____________________

4. ____________________

Penjelasan :

1. ______________________________________________________________________________________________________________________________________________

2. ______________________________________________________________________________________________________________________________________________

3. ______________________________________________________________________________________________________________________________________________

4. ______________________________________________________________________________________________________________________________________________

5. ______________________________________________________________________________________________________________________________________________

6. ______________________________________________________________________________________________________________________________________________

7. ______________________________________________________________________________________________________________________________________________

Nama bagian gambar 2 :

1. ____________________ 8. ____________________

2. ____________________ 9. ____________________

3. ____________________ 10. ____________________

4. ____________________ 11. ____________________

5. ____________________ 12. ____________________

6. ____________________ 13. ____________________

7. ____________________

Penjelasan :1. _______________________________________________________________________

_______________________________________________________________________2. _______________________________________________________________________

_______________________________________________________________________3. _______________________________________________________________________

_______________________________________________________________________4. _______________________________________________________________________

_______________________________________________________________________5. _______________________________________________________________________

_______________________________________________________________________6. _______________________________________________________________________

_______________________________________________________________________7. _______________________________________________________________________

_______________________________________________________________________

8. ______________________________________________________________________________________________________________________________________________

9. ______________________________________________________________________________________________________________________________________________

10. ______________________________________________________________________________________________________________________________________________

11. ______________________________________________________________________________________________________________________________________________

12. ______________________________________________________________________________________________________________________________________________

13. ______________________________________________________________________________________________________________________________________________

Pertanyaan 2Jelaskan cara kerja master silinder (lihat gambar 5)

a. Pada saat tuas rem ditarik.__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

b. Pada saat tuas rem dilepas__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Pertanyaan 3 Ukur ketebalan piringan rem seperti pada gambar 8 dan catat hasilnya

a. Mikrometer ______ mm

b. Kode ban dari sepeda motor yang dibongkar ________________________________

Keterangan: _______________________

_______________________

_______________________

_______________________

_______________________

Pertanyaan 4Beri kesimpulan dari hasil pembongkaran __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

VII.LEMBAR PENILIAN

No. ASPEK PENILAIAN NILAI KETERANGANMAKSIMUM PEROLEHAN1.

2.

3.

4.5.

6.

Nama bagian rem cakram gambar 1 & 2 Fungsi bagian rem cakram gambar 1 & 2Penjelasan cara kerja master silinderPenggunaan alat ukurHasil pengukuran dan pembacaan kode banHasil kesimpulan

20

40

1064

20

TOTAL NILAI 100

Mataram, ………….. 2013

Pengajar

Rezal M. Jasin, S.Pd

VIII. KRITERIA PENILAIAN

NO. ASPEK PENILAIAN KRITERIA PENILAIAN SKOR1.

2.

3.

4.5.

6.

Nama bagian rem cakram gambar 1 & 2 Fungsi bagian rem cakram gambar 1 & 2Penjelasan cara kerja master silinderPenggunaan alat ukurHasil pengukuran dan pembacaan kode banHasil kesimpulan

Masing-masing gambar nilai ”1”

Masing-masing bagian nilai ”2”

Masing-masing gambar nilai ”5”Masing-masing gambar nilai ”3”Masing-masing bagian nilai ”2”Lihat kesimpulan masing-masing siswa

20

40

1064

20