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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.
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