Jobsheet Rem Cakram Smk7 [PDF]

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JUDUL JOB SHEET :



REM CAKRAM



STANDAR KOMPETENSI :



Melakukan perbaikan sistem rem NAMA SISWA :



KELAS:



WAKTU : SMKN 7 MATARAM I.



MOTOR PRAKTIK:



PROGRAM KEAHLIAN TEKNIK SEPEDA MOTOR



TUJUAN PENGAJARAN a. Siswa mengerti dan memahami fungsi rem b. Siswa mengerti dan memahami rem cakram c. Siswa mengerti dan memahami tentang komponen rem cakram



II. PETUNJUK PENGERJAAN a. Bongkar unit rem dengan prosedur yang benar b. Amatilah unit rem cakram c.Tulis / sebutkan nama komponen. III. KESELAMATAN KERJA



a. Hati-hati dalam mengunakan alat b. Gunakan prosedur pembongkaran yang benar c. Letakkan peralatan dengan baik dan benar IV. ALAT DAN BAHAN a. Alat No. 1. 2. 3. 4. 5.



Nama Alat Cady Tool Snap ring plier Vernier Caliper Bearing Puller Bearing Installer



Spesifikasi



Jumlah 1 set 1 buah 1 buah 1 buah 1 buah



b. Bahan No.



1.



Nama Bahan



Unit Roda



Jenis Bahan



Spesifikasi



Jumlah



4 unit



V. LANGKAH KERJA



a. b. c. d.



Lepaskan panel rem depan dari roda. Lepaskan kanvas rem dari panel rem. Lepaskan mur dan baut pada tuas cam pengungkit rem (1) 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 3



Gambar 4



Gambar 5



Gambar 6



Pertanyaan 1 Sebutkan 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 2 Jelaskan 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 4 Beri kesimpulan dari hasil pembongkaran __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________



VII. LEMBAR PENILIAN No. 1. 2. 3. 4. 5. 6.



ASPEK PENILAIAN Nama bagian rem cakram gambar 1 & 2 Fungsi bagian rem cakram gambar 1 & 2 Penjelasan cara kerja master silinder Penggunaan alat ukur Hasil pengukuran dan pembacaan kode ban Hasil kesimpulan TOTAL NILAI



NILAI MAKSIMUM PEROLEHAN



KETERANGAN



20 40 10 6 4 20 100



Mataram, ………….. 2013 Pengajar



Rezal M. Jasin, S.Pd VIII. KRITERIA PENILAIAN NO. ASPEK PENILAIAN 1. Nama bagian rem cakram gambar 1 & 2 2. Fungsi bagian rem cakram gambar 1 & 2 3. Penjelasan cara kerja master silinder 4. Penggunaan alat ukur 5. Hasil pengukuran dan pembacaan kode ban 6. Hasil kesimpulan



KRITERIA PENILAIAN



SKOR



Masing-masing gambar nilai ”1”



20



Masing-masing bagian nilai ”2”



40



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



10 6 4 20