1. Jelaskan empat langkah pokok
yang harus dilakukan sebelum melakukan pelepasan komponen-komponen engine.
a.
________________________________________________
b.
________________________________________________
c.
________________________________________________
d.
________________________________________________
2. Jelaskan tiga
komponen-koponen lingkup engine electrical.
a._________________________________________________
b.
_________________________________________________
c.
_________________________________________________
3. Jelaskan dua metoda
pendekatan overhaul komponen / pengukuran komponen engine.
a.
________________________________________________
________________________________________________
b.
________________________________________________________________________________________________
4. Uraikan dengan jelas efek
yang terjadi apabila komponen yang satu tertukar pemasangan dengan komponen
yang lain.
_________________________________________________________________________________________________________________________________________________________
5..Jelaskan mengapa disarankan
menggunakan kunci sok dlam melepas baut/mur terutama baut/mur yang bermomen.
________________________________________________________________________________________________________
6. Jelaskan dua alasan pokok
mengapa baut/mur yang dilepaskan disarankan untuk dipasangkan kembali
ketempatnya semula.
a.
_____________________________________________
b. _______________________________________________________________________________________________________________________________________
7. Jelaskan alasan mengapa
komponen disarankan dicuci dengan cairan khusus pembersih ataupun air dan
sabun.
_______________________________________________________________________________________________________________________________________________________________
8. Jelaskan mengapa setelah
komponen dilepaskan harus dicuci dengan bersih dan terbebas dai kotoran sebelum
dilakukan pemeriksaan/pengukuran.
1. Jelaskan dan gambarkan
prosedur melepas dan mengencangkan baut kepala silinder.
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. Tuliskan empat metoda
memeriksa keretakan pada kepala silider
a.
___________________________________________________________
b.
___________________________________________________________
c. ___________________________________________________________
d.
___________________________________________________________
3. Gambarkan secara sketsa
posisi pengukuran diameter silinder, dan tuliskan rumus untuk:
a. Keovalan silinder.
____________________________________________
____________________________________________
Diklat
Peningkatan Kompetensi Bidang Keahlian SMA & SMK Menuju SBI Disdik Provinsi
Kalsel Program : Otomotif Dasar – Engine Overhaul PPPPTK BMTI Bandung/MKE
/AP/2010 25
b.
Kertirusan silinder. ___________________________________________
___________________________________________
c. Keausan Silinder.
____________________________________________
____________________________________________
4. Jelaskan posisi pengukuran
diameter bagian atas silinder.
______________________________________________________________________________________________________________
5. Jelaskan enam posisi minimum
pengukuran diameter silinder.
a.
________________________________________________________
b.
________________________________________________________
c.
________________________________________________________
d.
________________________________________________________
e.
________________________________________________________
f. ________________________________________________________
6. Jelaskan langkah-langkah
pemilihan alat ukur cylinder bore gauge dan kalibrasinya untuk mengukur
diameter silinder.
______________________________________________________________________________________________________________
7. Apa yang dimaksud celag
torak, dan bagaimana menentukannya.
9. Tuliskan minimum empat
persyaratan piston.
a.
___________________________________________________
b.
___________________________________________________
c.
___________________________________________________
d.
___________________________________________________
10. Jelaskan posisi
pengukuran diameter piston.
11. Uraikan apa yang dimaksud dengan:
a. Celah samping piston ring
_________________________________________________________________________________________________________________________________________________________
b. Celah ujung piston ring
_________________________________________________________________________________________________________________________________________________________
12. Jelaskan dua pengukuran
yang dilakukan pada batang piston (connecting rod).
a.
_______________________________________________________
b.
_______________________________________________________
13. Jelakan apa yang dimaksud
end ply connecting rod.
_______________________________________________________
_______________________________________________________
14. Jelaskan cara menentukan
celah oli pada pena torak.
________________________________________________________________________________________________________________________________________________________________________________________________________________________
1. Jelaskan cara mengukur
round out poros engkol.
______________________________________________________________________________________________________________Diklat
Peningkatan Kompetensi Bidang Keahlian SMA & SMK Menuju SBI Disdik
Provinsi Kalsel Program : Otomotif Dasar – Engine Overhaul PPPPTK BMTI
Bandung/MKE /AP/2010 39
______________________________________________________________________________________________________________
2. Jelaskan bagaimana anda
dapat menentukan:
a. Keusan journal
_____________________________________________
_____________________________________________
b. Ketirusan journal
___________________________________________
___________________________________________
c. Keovalan journal
___________________________________________
____________________________________________
3. Jelaskan cara mengukur end
ply poros engkol.
_____________________________________________________________________________________________________________________________________________________________________
4. Jelaskan fungsi radius
fillet pada journal poros engkol.
_____________________________________________________________________________________________________________________________________________________________________
5. Tuliska lima persyaratan
poros engkol sesuai funsinya.
a.
_____________________________________________________
b.
_____________________________________________________
c.
_____________________________________________________
d.
_____________________________________________________
e. _____________________________________________________
6. Jelaskan apa yang dimaksud
margi dan bagaimana mengukurnya.
______________________________________________________________________________________________________________
7. Jelaskan tiga pengukuran
yang dilakukan pada pegas katup.
a.
____________________________________________________ Diklat
Peningkatan Kompetensi Bidang Keahlian SMA & SMK Menuju SBI Disdik
Provinsi Kalsel Program : Otomotif Dasar – Engine Overhaul PPPPTK BMTI
Bandung/MKE /AP/2010 40
____________________________________________________
b.
______________________________________________
_____________________________________________________
c.
________________________________________________________________________________________________________
d. ____________________________________________________________________________________________________________________________________________________________
8. Jelaskan empat pengukuran
yang dilakukan pada poros bubungan.
a. ____________________________________________________
____________________________________________________
b.
________________________________________________________________________________________________________
c.
________________________________________________________________________________________________________
d.
________________________________________________________________________________________________________
9. Jelaskan mengapa rocker
arms tidak boleh saling tertukar.
__________________________________________________________________________________________________________________________________________________________________
10. Jelaskan cara menentukan
celah oli pada rocker arms.
______________________________________________________
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