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Mitsubishi Heavy Industries 4DQ5 User Manual

Mitsubishi Heavy Industries 4DQ5
120 pages
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SERVICE
MANUAL
MITSUBISHI
DIESEL
ENGINE
4
5

Table of Contents

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Mitsubishi Heavy Industries 4DQ5 Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
Model4DQ5
CategoryEngine
LanguageEnglish

Summary

Disassembly Procedures

Inspection and Repair

Cylinder Head and Valve System Inspection

Check cylinder head flatness and valve components for wear and damage.

Cylinder Sleeves and Piston Assembly Inspection

Inspect cylinder sleeves, pistons, rings, and pins for wear and proper fit.

Connecting Rod and Bearing Inspection

Check connecting rod alignment, end play, and bearing condition.

Crankcase and Crankshaft Inspection

Inspect crankcase flatness and crankshaft journals for wear and flaws.

Camshaft, Tappets, Flywheel, and Timing Gears Inspection

Inspect camshaft, tappets, flywheel, and timing gears for wear and condition.

Reassembly Procedures

Fuel System Service

Injection Timing Adjustment

Covers injection timing adjustment for RUV and RSV governors.

Injection Nozzle Service

Covers nozzle removal, disassembly, inspection, and testing.

Fuel Feed Pump Service

Covers feed pump disassembly, inspection, and testing.

Electrical System Service

Bench Test Procedures

Maintenance Standards

Tightening Torque Specifications

Troubleshooting Guide

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