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Sisu Diesel 620 - User Manual

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WORKSHOP MANUAL
SISUDIESEL 320
420
620
8366 40634 634

Table of Contents

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Summary

TECHNICAL DATA

Cylinder block

Provides dimensional data for the cylinder block.

Cylinder liners

Lists specifications for cylinder liners.

Cylinder head

Valves, rockers and tappets

Details specifications for valve train components.

Camshaft

Provides technical data for the camshaft.

Crankshaft

Main bearing journal diameter

Specifications for crankshaft main bearing journals.

Main bearing shell thickness

Data on main bearing shell thicknesses for various sizes.

Balancing unit (420 -engines)

Timing gears

Specifications and timing marks for gear train components.

Connecting rod

Technical data for connecting rods and bearings.

Piston, rings and pin

Lubricating system

Specifications for oil pressure and pump components.

Oil pump (620;634 -engines)

Coolant pump (320, 420 -engines)

Specifications for coolant pumps on 320/420 engines.

Coolant pump (620;634 -engines)

TIGHTENING TORQUES

CONSTRUCTION

Cylinder block

Detailed description of the cylinder block assembly.

Crank mechanism

Cylinder head

Details of the cylinder head construction and features.

Lubricating system

The cooling system

Cooling system

Explanation of the engine cooling system operation.

Inlet and exhaust system

Turbocharger

Details on turbocharger function and components.

WORK INSTRUCTIONS

1. CYLINDER BLOCK

Procedures for cylinder block maintenance and repair.

2. FLYWHEEL HOUSING

3. CYLINDER HEAD

A. Removing cylinder head

Steps to remove the cylinder head from the engine.

4. VALVE MECHANISM

5. CRANKSHAFT

A. Removing crankshaft

Procedure for removing the crankshaft from the engine.

6. CONNECTING RODS AND PISTONS

A. Removing pistons together with connecting rods

Steps for removing piston and connecting rod assemblies.

B. Changing connecting rod bear ings

Procedure for replacing connecting rod bearings.

9. TIMING GEAR ASSEMBLY

10. LUBRICATION SYSTEM

11. COOLING SYSTEM

12. INLET AND EXHAUST SYS TEM

C. Checking turbocharger

Methods for diagnosing turbocharger faults.

13. FUEL SYSTEM

IN -LINE FUEL INJECTION PUMP

Information on in-line fuel injection pumps.

Injectors

Information on injector types and specifications.

Bosch -P injection pump

Bosch -A injection pump

Details on the Bosch-A type injection pump.

Governor

F. Checking injection timing (dy namic)

I. Fitting fuel injection pump

CAV DISTRIBUTOR PUMP

STANADYNE DISTRIBUTOR PUMP

Stanadyne -distributor pump

Stanadyne distributor pump

15. ELECTRICAL SYSTEM

A. Alternators

Technical specifications for various alternator models.

B. Starters

C. Electric stop device

Sisu Diesel 620 Specifications

General IconGeneral
BrandSisu Diesel
Model620
CategoryEngine
LanguageEnglish

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