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JCB Sisu Diesel Engines 320, 420, 620, 634 Workshop Manual PDF

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Type of catalogue:	repair manual
Make:	AGCO, JCB
Region:	WorldWide
Inclusive languages:	English
Amount of disks:	1 CD, PDF file, 116 pages
Availibility	Instant Download
OS:	Windows XP 32 bit, Windows 7 32 bit, Windows 7 64 bit, Windows 8/8.1 32 bit, Windows 8/8.1 64 bit, Windows 10 32 bit, Windows 10 64 bit, Windows 11 64 bit
Price, USD:	49

AGCO pdf manual instant preview

This workshop manual is intended to facilitate workshop operations and repair work of Sisu Diesel Engines 320, 420, 620, 634 models, which are installed on JCB equipment.

Sisu Diesel Engines (320, 420, 620 and 634) are mainly the same in construction, so the same repair instructions usually apply to different engine types. The differences between the various engine types which affect repair work have been mentioned in technical data and repair information.

This workshop manual comes in PDF format. To work with this workshop service manual, you should use Adobe PDF Reader (or other analogs). Installation of this manual is very easy (Instant Download).

Publication No. 9806-4550

Models covered:
320,
420,
620,
634.

CONTENTS:

TO THE USER
ENGINE TYPE DESIGNATIONS
SAFETY INSTRUCTIONS
ENGINE SPECIFICATION
LIFTING THE ENGINE
LOCATION OF THE ENGINE SERIAL NO.
SPECIAL TOOLS
TECHNICAL DATA
- Cylinder block
- Cylinder Liner
- Cylinder head
- Valves, rocker arms, and tappets
- Camshaft
- Crankshaft
- Flywheel
- Balancing unit
- Timing Gears
- Connecting rod
- Piston, piston rings and pin
- Lubricating system
- Oil pump (320, 420)
- Oil pump (620, 634)
- Coolant pump (320, 420)
- Coolant pump (320, 420 separate ball bearings)
- Coolant pump (620, 634)
- Thermostat
- Turbocharger
TIGHTENING TORQUES
CONSTRUCTION
- General
- Cylinder block
- Flywheel housing
- Cylinder head
- Valve mechanism
- Crank mechanism
- Timing Gears
- Lubricating system
- Cooling system
- Inlet and exhaust system
- Electronic Engine Management system (EEM)
WORK INSTRUCTIONS
1. CYLINDER BLOCK
- A. Measuring cylinder liner wear
- B. Removing cylinder liner
- C. Checking cylinder block
- D. Changing camshaft bushing
- E. Oversize bushings for camshaft
- F. Fitting plug at camshaft rear end
- G. Fitting pipe for the oil dipstick
- H. Fitting cylinder liner
2. FLYWHEEL HOUSING
- A. Fitting flywheel housing
- B. Changing crankshaft rear oil seal
3. CYLINDER HEAD
- A. Removing cylinder head
- B. Removing valves
- C. Checking cylinder head
- D. Changing valve guides
- E. Machining valve seat
- F. Changing valve seat ring
- G. Grinding valves
- H. Fitting valves
- I. Fitting cylinder head
4. VALVE MECHANISM
- A. Reconditioning valve mechanism
- B. Changing camshaft/camshaft gear
- C. Adjusting valves
5. CRANKSHAFT
- A. Removing crankshaft
- B. Checking crankshaft
- C. Changing crankshaft gears
- D. Changing crankshaft gear rim (420)
- E. Fitting crankshaft
- F. Crankshaft hub piece
- G. Changing crankshaft pulley/vibration damper
- H. Checking element of the rubber damper
- I. Viscose type vibration damper
6. CONNECTING RODS AND PISTONS
- A. Removing pistons together with connecting rods
- B. Changing connecting rod bearings
- C. Checking connecting rod
- D. Changing piston rings
- E. Checking pistons
- F. Fitting piston pin
- G. Fitting piston together with connecting rod
7. COUNTERBALANCE (420)
- A. Removing and disassembling counterbalance unit
- B. Reconditioning counterbalance unit
- C. Fitting counterbalance unit
8. FLYWHEEL
- A. Changing starter ring gear on the flywheel
- B. Fitting flywheel
9. TIMING GEAR ASSEMBLY
- A. Removing timing gear casing
- B. Reconditioning idler gear
- C. Fitting timing gear casing
- D. Idler gear with beveled ball bearings
- E. Power take-off
10. LUBRICATION SYSTEM
- A. Reconditioning of oil relief valve for lubrication oil pressure
- B. Removing and dismantling the lubricating oil pump
- C. Assembling and fitting lubricating oil pump
- D. Fitting oil sump gasket
- E. Lubricating oil cooler
- F. Piston cooling nozzles (620, 634)
- G. Lubrication oil quality requirements
11. COOLING SYSTEM
- A. Thermostat
- B. Reconditioning coolant pump (320, 420)
- C. Reconditioning coolant pump (320, 420, 620, 634 separate ball bearings)
- D. Coolant pumps with heavy-duty bearings (620, 634)
- E. Quality requirements of coolant
12. INLET AND EXHAUST SYSTEM
- A. Checking air cleaner
- B. Checking inlet and exhaust pipes
- C. Checking turbocharger
- D. Fitting turbocharger
13. FUEL SYSTEM
- INLINE FUEL INJECTION PUMP
- Technical data
- CAV DISTRIBUTOR PUMP
- STANADYNE DISTRIBUTOR PUMP
14. EQUIPMENT AND FEEDING TABLES
15. ELECTRICAL SYSTEM
- A. Alternators
- B. Starters
- C. Electric stop device
- D. Installation of the magnetic pickup
- E. Temperature sensor
16. OPTIONAL EQUIPMENT
- A. Compressor (Bendix)
- B. Compressor (Knorr)
- C. Industrial clutch (A.P. Borg & Beck)

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