d155 engine
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Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
GENERAL STRUCTURE
II - 01 - 14
1. Fan 2. V belt 3. Thermostat 4. Cylinder head 5. Injection nozzle6. Cylinder head cover 7. Breather8. Piston pin9. Intake valve10. Exhaust valve
11. Rocker arm shaft 12. Camshaft13. Tappet 14. Push rod 15. Rocker arm housing 16. Cylinder block17. Rear seal18. Vibration damper19. Front seal 20. Oil strainer
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
21. Oil pump22. Connecting rod cap 23. Oil pan24. Main metal cap 25. Crankshaft 26. Ring gear 27. Flywheel 28. Air cleaner 29. Cylinder liner 30. Piston
II - 02 - 14
31. Oil cooler32. Starting motor 33. Oil level gauge 34. Fuel injection pump 35. Oil filler36. Piston cooling nozzle 37. Connecting rod
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
INTAKE DAN EXHAUST SYSTEM
II - 03 - 14
1. Turbocharger 2. Air cleaner 3. Intake manifold
Air cleaner Centrifugal type with paper element
Dust indicatorPerceive vacuum: 635mmAq
1. Exhaust pipe 2. Muffler3. Turbocharger4. Exhaust manifold
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
VALVE MECHANISME
II - 04 - 14
1. Push rod2. Valve spring3. Compression release shaft4. Adjusting screw5. Lock nut6. Rocker arm shaft7. Cam shaft gear 8. Camshaft9. Intake valve10. Exhaust valve
11. Tappet12. Rocker arm lever 13. Cross head14. Valve spring15. Valve spring seat
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING II - 05 - 14
VALVE TIMING
VALVE CLEARANCE
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
MAIN REVOLVING
II - 06 - 14
1. Piston 2. Piston pin 3. Connecting rod 4. Bushing5. Top ring 6. 2nd ring 7. Oil ring 8. Upper metal 9. Nylock bolt 10. Vibration damper
11. Flange12. Crankshaft gear (number of teeth: 36) 13. Lower metal14. Connecting rod cap15. Connecting rod cap mount bolt 16. Crankshaft17. Flywheel18. PTO drive gear (number of teeth: 44)19. Ring gear (number of teeth: 140)
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING II - 07 - 14
Crankshaft• Stamp forging• Induction hardening journal portion
Front seal• Double lip oil seal
Rear seal• Double lip oil seal (for bulldozer) • Single lip oil seal Ifor generators)
PISTON RING
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
TIMING GEAR
II - 08 - 14
1. Main idler gear (big) (number of teeth 84)2. Main idler gear (small) (number of teeth 63)3. Camshaft drive gear (number of teeth 54)4. Fuel injection pump drive gear (number of teeth 54)5. Crankshaft drive gear (number of teeth 36)6. Idler gear (number of teeth 37)7. Oil pump drive gear (number of teeth 27)8. Water pump drive gear (number of teeth 23)9. Accessory drive gear (number of teeth 43)10. Alternator drive gear (number of teeth 22)
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
DATA SPESIFIKASI ENGINE
II - 09 - 14
S 6 D 155 - 4
D 155 A - 2( Eng. S / N. 52707 and Up )
(mm) 6 - 155 x 170
(cc) 19.260
1-5-3-6-2-4
Overall length (mm) 1.880
Overall width (mm) 1.190
Overall height (Excluding exhaust pipe) (mm) 1.931
Overall height (Including exhaust pipe) (mm) 2.914
Flywheel horsepower (HP/rpm) 320/2.000
Maximum torque (kgm/rpm) 144/1.400
No-load maximum engine speed (rpm) 2.240 40
No-load minimum engine speed (rpm) 600 50
Minimum fuel consumption ratio (g/HPh) 180
(kg) 2.580
BOSCH PES - PD type
BOSCH RSUVcentrifugal all speed
liter75
(55)
liter 160
24V, 35A
24V, 11 kW
12V 200Ah x 2
KTR130
-
-
Battery
Turbocharger
Air compressor
After cooler
Lubricating oil amount( refill capacity )
coolant amount
Alternator
Starting motor
Firing order
Dry weight
Fuel pump
Governor
Number of cylinders - Bore x Stroke
Total piston displacement
Engine model
Machine
Dim
ensi
onP
erfo
rman
ce
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
ENGINE PERFORMANCE CURVE
II - 10 - 14
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
LUBRICATION SYSTEM
II - 11 - 14
1. Oil pan2. Scavenging pump
( Excluding generator ) 3. Oil pump4. Main relief valve5. Oil cooler by-pass valve6. By-pass filter 7. Oil cooler 8. Regulator valve9. Full flow filter 10. Safety valve 11. Piston cooling valve 12. Fuel injection pipe13. Main gallery 14. Crankshaft 15. Piston cooling nozzle16. Timing gear17. Gear lubrication nozzle18. Rocker arm 19. Camshaft 20. Turbocharger 21. Oil pressure gauge
W. Cooling water
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
REGULATOR VALVE
II - 12 - 14
SAFETY VALVE
PISTON COOLING VALVE
1. Plug2. Valve spring3. Regulator valve4. Filter bracket
A. From filterB. To main galleryC. To oil pen
Operating pressure 4,05 0,25 kg/cm²
1. Plug2. Valve spring3. Safety valve4. Filter bracket5. Caution terminal
A. From oil coolerB. To il filterC. To main gallery
Operating pressure (Balance pressure): 2 0.2 kg/cm²
1. Plug2. Valve spring3. Piston cooling valve
A. To piston cooling galleryB. From oil filter
Operating pressure 2.75 0.25kg/cm²S6D155-4 No.20000-22650
1.6 0.2 kg/cm²
S6D155 -4 No. 22651 and up
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
FUEL SYSTEM
II - 13 - 14
1. Fuel tank 2. Strainer 3. Fuel filter 4. Fuel injection pump5. Feed pump 6. Nozzle
Mechanic Development.
PT Pamapersada Nusantara
D 155 A - 2 ENGINE SYSTEM TRAINING
COOLING SYSTEM
II - 14 - 14
1. Water manifold 2. Thermostat. 3. Radiator4. Fan5. Water pump6. Engine oil cooler7. Torque converter oil cooler B. Corrosion resistor9. Cylinder block10. Cylinder liner
A. From oil pump (oil)B. To each part of engine (oil)C. From pump of chassis side ( oil )D. To torque converter (oil)
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