D155 Engine

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




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




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




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



D 155 A - 2 ENGINE SYSTEM TRAINING II - 05 - 14

VALVE TIMING

VALVE CLEARANCE




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)



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




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)




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




ENGINE PERFORMANCE CURVE

II - 10 - 14




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




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




FUEL SYSTEM

II - 13 - 14

1. Fuel tank 2. Strainer 3. Fuel filter 4. Fuel injection pump5. Feed pump 6. Nozzle




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)

Documents

D155 Engine