D155 Engine

D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 01 - 14

GENERAL STRUCTURE

1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Fan V belt Thermostat Cylinder head Injection nozzle Cylinder head cover Breather Piston pin Intake valve Exhaust valve

Mechanic Development. PT Pamapersada Nusantara

11. 12. 13. 14. 15. 16. 17. 18. 19. 20.

Rocker arm shaft Camshaft Tappet Push rod Rocker arm housing Cylinder block Rear seal Vibration damper Front seal Oil strainer

D 155 A - 2

21. 22. 23. 24. 25. 26. 27. 28. 29. 30.

ENGINE SYSTEM

Oil pump Connecting rod cap Oil pan Main metal cap Crankshaft Ring gear Flywheel Air cleaner Cylinder liner Piston


TRAINING

31. 32. 33. 34. 35. 36. 37.

Oil cooler Starting motor Oil level gauge Fuel injection pump Oil filler Piston cooling nozzle Connecting rod

II - 02 - 14

D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 03 - 14

INTAKE DAN EXHAUST SYSTEM

1. 2. 3.

Turbocharger Air cleaner Intake manifold

Air cleaner Centrifugal type with paper element Dust indicator Perceive vacuum: 635mmAq

1. 2. 3. 4.


Exhaust pipe Muffler Turbocharger Exhaust manifold

D 155 A - 2

ENGINE SYSTEM

TRAINING

VALVE MECHANISME

1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Push rod Valve spring Compression release shaft Adjusting screw Lock nut Rocker arm shaft Cam shaft gear Camshaft Intake valve Exhaust valve


11. 12. 13. 14. 15.

Tappet Rocker arm lever Cross head Valve spring Valve spring seat

II - 04 - 14

D 155 A - 2

ENGINE SYSTEM

VALVE TIMING

VALVE CLEARANCE


TRAINING

II - 05 - 14

D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 06 - 14

MAIN REVOLVING

1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Piston Piston pin Connecting rod Bushing Top ring 2nd ring Oil ring Upper metal Nylock bolt Vibration damper


11. 12. 13. 14. 15. 16. 17. 18. 19.

Flange Crankshaft gear (number of teeth: 36) Lower metal Connecting rod cap Connecting rod cap mount bolt Crankshaft Flywheel PTO drive gear (number of teeth: 44) Ring gear (number of teeth: 140)

D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 07 - 14

PISTON RING

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)


D 155 A - 2

ENGINE SYSTEM

TIMING GEAR

1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Main idler gear (big) (number of teeth 84) Main idler gear (small) (number of teeth 63) Camshaft drive gear (number of teeth 54) Fuel injection pump drive gear (number of teeth 54) Crankshaft drive gear (number of teeth 36) Idler gear (number of teeth 37) Oil pump drive gear (number of teeth 27) Water pump drive gear (number of teeth 23) Accessory drive gear (number of teeth 43) Alternator drive gear (number of teeth 22)


TRAINING

II - 08 - 14

ENGINE SYSTEM

D 155 A - 2

TRAINING

II - 09 - 14

DATA SPESIFIKASI ENGINE Engine model

S 6 D 155 - 4

Machine

D 155 A - 2 ( Eng. S / N. 52707 and Up )

Number of cylinders - Bore x Stroke

(mm)

6 - 155 x 170

Total piston displacement

(cc)

19.260

Performance

Dimension

Firing order

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

Dry weight Fuel pump

BOSCH PES - PD type

Governor Lubricating oil amount ( refill capacity )

liter

coolant amount

liter

Alternator Starting motor Battery Turbocharger

BOSCH RSUV centrifugal all speed 75 (55) 160 24V, 35A 24V, 11 kW 12V 200Ah x 2 KTR130

Air compressor

-

After cooler

-


D 155 A - 2

ENGINE SYSTEM

ENGINE PERFORMANCE CURVE


TRAINING

II - 10 - 14

D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 11 - 14

LUBRICATION SYSTEM 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21.

Oil pan Scavenging pump ( Excluding generator ) Oil pump Main relief valve Oil cooler by-pass valve By-pass filter Oil cooler Regulator valve Full flow filter Safety valve Piston cooling valve Fuel injection pipe Main gallery Crankshaft Piston cooling nozzle Timing gear Gear lubrication nozzle Rocker arm Camshaft Turbocharger Oil pressure gauge

W. Cooling water


D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 12 - 14

REGULATOR VALVE 1. 2. 3. 4.

Plug Valve spring Regulator valve Filter bracket

A. From filter B. To main gallery C. To oil pen Operating pressure 4,05  0,25 kg/cm²

SAFETY VALVE

1. 2. 3. 4. 5.

Plug Valve spring Safety valve Filter bracket Caution terminal

A. From oil cooler B. To il filter C. To main gallery Operating pressure (Balance pressure): 2  0.2 kg/cm²

PISTON COOLING VALVE

1. 2. 3.

Plug Valve spring Piston cooling valve

A. To piston cooling gallery B. From oil filter Operating pressure 2.75  0.25kg/cm² S6D155-4 No.20000-22650 1.6  0.2 kg/cm² S6D155 -4


No. 22651 and up

D 155 A - 2

ENGINE SYSTEM

FUEL SYSTEM

1. 2. 3. 4. 5. 6.


Fuel tank Strainer Fuel filter Fuel injection pump Feed pump Nozzle

TRAINING

II - 13 - 14

D 155 A - 2

ENGINE SYSTEM

TRAINING

II - 14 - 14

COOLING SYSTEM

1. 2. 3. 4. 5. 6. 7. B. 9. 10.

Water manifold Thermostat. Radiator Fan Water pump Engine oil cooler Torque converter oil cooler Corrosion resistor Cylinder block Cylinder liner


A. B. C. D.

From oil pump (oil) To each part of engine (oil) From pump of chassis side ( oil ) To torque converter (oil)

D155 Engine

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