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Mitsubishi Heavy Industries SL Series User Manual

Mitsubishi Heavy Industries SL Series
200 pages
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Printed in Japan
Pub. No.
Pub. No.
SERVICE MANUAL
SERVICE MANUAL
July 2016
July 2016
99619-12150
99619-12150

Table of Contents

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Mitsubishi Heavy Industries SL Series Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelSL Series
CategoryEngine
LanguageEnglish

Summary

INTRODUCTION

How to use this manual

Explains the structure, content, and reference methods of the manual.

Safety Cautions

Provides critical safety guidelines for operation, maintenance, and handling.

Other cautions

Covers additional warnings and advice on engine modification, break-in, and operation.

GENERAL

External view

Provides diagrams showing the external views of engine models S3L, S3L2, S4L, and S4L2.

System flow diagrams

Illustrates flow diagrams for fuel, lubrication, cooling, and inlet/exhaust systems.

Specifications

Presents detailed technical specifications for various engine models.

Tips on disassembling and reassembling

Offers advice and safety precautions for engine disassembly and reassembly.

SERVICE DATA

Maintenance service data

Contains general maintenance data including speeds, pressures, and valve timing.

Tightening torque table

Lists tightening torque specifications for various bolts and nuts.

SERVICE TOOLS

Basic tools

Lists essential basic tools required for engine service.

Special tools

Identifies specialized tools needed for specific engine maintenance procedures.

DETERMINATION OF OVERHAUL

Determining overhaul timing

Explains how to determine when an engine requires an overhaul based on symptoms.

Testing compression pressure

Details the procedure for testing engine compression pressure.

DISASSEMBLY OF BASIC ENGINE

Disassembling and inspecting cylinder head and valve mechanism

Details the process of disassembling and inspecting the cylinder head and valve train.

Disassembling and inspecting flywheel

Explains the steps for disassembling and inspecting the engine flywheel.

Disassembling and inspecting gear case, timing gear and camshaft

Covers the disassembly and inspection of the gear case, timing gears, and camshaft.

Disassembling and inspecting cylinder block, crankshaft, piston and oil pan

Details the disassembly and inspection of the engine block, crankshaft, pistons, and oil pan.

INSPECTION AND REPAIR OF BASIC ENGINE

Inspecting and repairing cylinder head and valve mechanism

Covers inspection and repair procedures for the cylinder head and valve train.

Inspecting and repairing flywheel

Details inspection and repair processes for the engine flywheel.

Inspecting and repairing gear case, timing gear and camshaft

Explains inspection and repair for the gear case, timing gears, and camshaft.

Inspecting and repairing cylinder block, crankshaft and piston

Covers inspection and repair of the cylinder block, crankshaft, and pistons.

REASSEMBLY OF BASIC ENGINE

Reassembling cylinder block, crankshaft, piston and oil pan

Details the reassembly of the engine block, crankshaft, pistons, and oil pan.

Reassembling flywheel, timing gear and camshaft

Covers the reassembly of the flywheel, timing gears, and camshaft.

Reassembling cylinder head and valve mechanism

Details the reassembly of the cylinder head and valve train.

FUEL SYSTEM

Removing fuel system

Details the procedure for removing the engine's fuel system components.

Disassembling, inspecting and reassembling fuel system

Covers disassembly, inspection, and reassembly of fuel system parts.

Installing fuel system

Provides steps for installing the engine's fuel system components.

LUBRICATION SYSTEM

Removing lubrication system

Details the procedure for removing lubrication system components.

Disassembling, inspecting and reassembling lubrication system

Covers disassembly, inspection, and reassembly of the lubrication system.

Installing lubrication system

Provides steps for installing the lubrication system components.

COOLING SYSTEM

Removing cooling system

Details the procedure for removing the engine's cooling system components.

Disassembling, inspecting and reassembling cooling system

Covers disassembly, inspection, and reassembly of the cooling system.

Installing cooling system

Provides steps for installing the engine's cooling system components.

INLET AND EXHAUST SYSTEMS

Removing inlet and exhaust systems

Details the procedure for removing intake and exhaust system components.

Disassembling, inspecting and reassembling inlet and exhaust systems

Covers disassembly, inspection, and reassembly of intake and exhaust systems.

Installing inlet and exhaust systems

Provides steps for installing the inlet and exhaust system components.

ELECTRICAL SYSTEM

Removing electrical system

Details the procedure for removing the engine's electrical system components.

Disassembling, inspecting and reassembling electrical system

Covers disassembly, inspection, and reassembly of electrical system components.

Installing electrical system

Provides steps for installing the engine's electrical system components.

ADJUSTMENT AND OPERATION

Inspection and adjustment of engine

Covers inspection and adjustment of valve clearance and fuel injection timing.

Break-in operation

Details the procedures for starting up and operating a new or overhauled engine.

Performance test (JIS standard)

Describes JIS standard procedures for engine performance testing.

TROUBLESHOOTING

Starting trouble

Guides on diagnosing and resolving engine starting issues.

Knocking

Helps diagnose and address engine knocking problems.

Overheating

Guides on diagnosing and resolving engine overheating issues.

Excessive black smoke

Helps diagnose and address excessive black smoke from the engine.

Idling malfunction

Guides on diagnosing and resolving engine idling problems.

Low output

Helps diagnose and address engine low output issues.

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