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materi pembelajaran dasar karburator.ppt
- 2. PRINSIP KERJA KARBURATOR 1 Water (c) (a) (b) Air PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 3. FUNGSI KARBURATOR 2  MERUBAH BENSIN MENJADI PARTIKEL – PARTIKEL BERCAMPUR DENGAN UDARA SEHINGGA MUDAH DI SEMBURKAN  MENGATUR PERBANDINGAN CAMPURAN UDARA DAN BAHAN BAKAR  MENGATUR JUMLAH CAMPURAN UDARA DAN BAHAN BAKAR YANG MASUK KE MESIN PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 4. VENTURI 3 Flow of air quickens and pressure drops Fuel-air mixture Air Atmosphere Gasoline PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 5. CAMPURAN UDARA DAN BAHAN BAKAR 4 Fuel-air mixture Throttle valve Cable Air PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 6. PERBANDINGAN UDARA – B. BAKAR VS BUKAAN THROTTLE VALVE 5 10 : 1 14 : 1 18 : 1 Theoretical mixture ratio Mixture ratio 2 0 60 80 100 40 Output mixture ratio Degree to which throttle valve is open (%) PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 7. PERBANDINGAN UDARA – B. BAKAR 6 Air Gasoline 22 g : 1 g Lean boundary limit Air Gasoline 15 g : 1 g Economical mixture ratio Air Gasoline 13 g : 1 g Maximum output mixture ratio Air Gasoline 12,8 g : 1 g Rich boundary limit PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 8. JENIS KARBURATOR 7 1. BERDASARKAN ARAH ALIRAN Horizontal draft type Down draft type PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 9. JENIS KARBURATOR 8 2. BERDASARKAN SISTEM TUAS KATUP Opens Closes Throttle valve Piston – type throttle valve Opens Closes Throttle valve Butterfly – type throttle valve PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 10. JENIS KARBURATOR 9 3. BERDASARKAN JUMLAH SALURAN Single barrels Double barrels PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 11. KONSTRUKSI KARBURATOR 10 Air at idling low output Fuel at idling low output Fuel air mixture at idling low output Air at medium and high speeds Fuel at medium and high speeds Fuel-air mixture at medium and high speeds Jet needle Throttle valve Pilot outlet Pilot air screw Pilot jet Main jet Throttle stop screw Throttle stop screw spring Needle jet Main air Pilot air Bleed air Air jet Needle valve Float PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 12. SISTEM CHOKE 11 Starter plunger Secondary air Air bleed hole (primary air Intake port) Starter jet Starter pipe Fuel injection port PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 13. Air Fuel-air mixture Fuel Starter plunger needle Starter plunger Starter plunger holder PTC heater To flywhell magneto Termowax Spring SISTEM CHOKE 12 Starter plunger needle Starter plunger Starter plunger Starter plunger needle Air Fuel CHOKE OTOMATIS PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 14. PILOT SYSTEM 13 1. TIPE LUBANG TUNGGAL Throttle valve Pilot air screw Pilot jet PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 15. PILOT SYSTEM 14 2. TIPE LUBANG GANDA Bypass Pilot outlet Pilot jet ( 1 ) Pilot jet Pilot outlet Bypass ( 2 ) PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 16. MAIN SYSTEM 15 Jet needle Main air jet Main jet Needle jet PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 17. MAIN SYSTEM 16 PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 18. MAIN SYSTEM 17 PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 19. TIPE MAIN JET 18 PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 20. POSISI KATUP GAS 19 Throttle position Active system 0 ~ 1/8 1/8 ~ 1/4 Pilot system Pilot system Main system 1/4 ~ 3/4 Main system 3/4 ~ fully open Main system PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 21. TINGKAT KERJA KARBURATOR 20 Air screw & pilot jet Throttle Valve Cut Away Jet Needle Needle Jet Main Jet Air Jet Primary Choke Komp. Karburator Gas Buka Tutup Penuh Buka Penuh 1/8 1/4 1/2 3/4 PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 22. PEMERIKSAAN DAN PENYETELAN 21 Air gun PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 23. PEMERIKSAAN DAN PENYETELAN VM TYPE 22 Air screw Throttle stop screw Point at which speed begins to rise Set air screw to halfway point Point at which Speed rises Air screw return amount 0 0 ½ 1½ 2½ Rotation speed PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 24. PEMERIKSAAN DAN PENYETELAN VM TYPE 23 Calipers Lean Rich Needle clip 1 st stage 2 st stage 3 st stage 4 st stage 5 st stage PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 25. KARBURATOR GSX 250 24 PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE
- 26. KARBURATOR FD 110 XCD 25 PT. INDOMOBIL NIAGA INTERNATIONAL 2W SERVICE TRAINING KARBURATOR ADVANCE