DIESEL ENGINE KOMPONEN ENGINE
DIESEL ENGINE KOMPONEN ENGINE
1. Cylinder head 2. Valve guide 3. Valve seat (exhaust) 4. Exhaust valve 5. Intake valve 6. Cylinder head cover 7. Roker arm bracket 8. Adjusting Screw 9. Lock nut 10. Rocker arm 11. Roker arm shaft 12. Valve spring guide 13. Valve spring 14. Spring seat 15. Head gasket 16. Valve seat (intake)
Cylinder head dibedakan dari mekanismenya: 1. Pre combustion type 2. Direct injection type 3. Two valve system dan four valve system 4. Sectional type dan solid type
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DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Pre combution chamber Direct Injection type
Ruang bakar ditempatkan diantara cylinder head dan bahan bakar langsung diinjeksikan ke ruang bakar
Pre combution chamber terpisah dari cylinder head
Pre combution chamber langsung disatukan dalam cylinder head
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Two valve type Four valve type
Two valve type dan Four valve type
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Solid type Sectional type
Solid dan sectional type
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Valve, valve guide, valve seat
45° untuk ex
30° untuk in
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Valve Spring. Valve spring mengangkat valve sampai
valve merapat pada valve seat apabila valve sedang menutup. Valve spring juga bekerja mengambalikan rocker arm, push rod dan tappet atau cam follower secara keseluruhan ke posisi normal dengan cepat. Gbr. II - 7. Getaran valve spring.
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Roker arm & Roker arm shaft
For two valve cylinder head For four valve cylinder head
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Sleeve
Nozzle holder sleeve (injector sleeve)
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Cylinder head gasket
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER HEAD AREA
Cylinder Block
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Cylinder liner
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Perpindahan panas rata-rata pada air dan udara: Air = 4500 kca/m2 x h C Udara = 150 kca/m2 x h C
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Cylinder liner seal ring
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Crankshaft dan metal
Jumlah main jurnal pada crankshaft sama dengan jumlah piston ditambah satu
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Main bearing
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Thrust bearing
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Vibration damper
DIESEL ENGINE KOMPONEN ENGINE
Rubber Viscoust
CYLINDER BLOCK AREA
Camshaft
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Valve timming
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Timing Gear
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Cam follower
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Timming gear
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Piston
Piston dan conecting rod
Bentuk luar dari piston
Piston
Conecting Rod
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Piston cooling nozzle
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Piston offset Piston offset adalah ketidak sejajaran sumbu dari piston dengan sumbu dari piston pin tujuannya untuk mengurangi keausan abnormal yang disebabkan gesekan antara piston dengan liner saat bergerak naik turun/engine hidup
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Piston ring
Fungsi Menahan tekanan gas kompresi didalam cylinder Menjaga ketebalan oil film pada dinding cylinder Mentransfer panas dari piston ke cylinder liner
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Connecting rod
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
Fly wheel
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
PTO ( Power Take Off )
1. Steering & Torqflow pump drive gear2. Shaft
3. PTO drive gear4. Driven gear
5. Ring gear6. Flywheel
7. Idle gear8. Hydraulic pump drive gear
9. Driven gearCrankshaft
11. Flywheel housing
DIESEL ENGINE KOMPONEN ENGINE
CYLINDER BLOCK AREA
DIESEL ENGINE KOMPONEN ENGINE
Finish.!!
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