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Mitsubishi Heavy Industries S4L2 User Manual

Mitsubishi Heavy Industries S4L2
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 S4L2 Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelS4L2
CategoryEngine
LanguageEnglish

Summary

INTRODUCTION

Safety Cautions

Outlines critical safety precautions for engine operation and maintenance.

GENERAL

Specifications

Provides detailed technical data and dimensions for engine models.

Tips on disassembling and reassembling

Offers guidance for correct and safe engine service procedures.

SERVICE DATA

Maintenance service data

Lists standard values and limits for engine part measurements.

Tightening torque table

Specifies torque values for various bolts and nuts during assembly.

DETERMINATION OF OVERHAUL

Determining overhaul timing

Provides symptoms and indicators to determine when engine overhaul is needed.

Testing compression pressure

Details the procedure for measuring cylinder compression pressure.

DISASSEMBLY OF BASIC ENGINE

Disassembling and inspecting cylinder head and valve mechanism

Step-by-step guide for servicing the cylinder head and valve train.

Disassembling and inspecting gear case, timing gear and camshaft

Guide for removing and inspecting the timing system components.

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

Procedure for servicing the engine block and its major rotating parts.

INSPECTION AND REPAIR OF BASIC ENGINE

Inspecting and repairing cylinder head and valve mechanism

Checks and repair methods for cylinder head and valve components.

REASSEMBLY OF BASIC ENGINE

FUEL SYSTEM

LUBRICATION SYSTEM

COOLING SYSTEM

INLET AND EXHAUST SYSTEMS

ELECTRICAL SYSTEM

ADJUSTMENT AND OPERATION

Inspection and adjustment of engine

Procedures for inspecting and adjusting valve clearance and fuel injection timing.

Performance test (JIS standard)

Procedures for evaluating engine output and performance under load.

TROUBLESHOOTING

Troubleshooting

General approach and common engine problems with diagnostic steps.

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