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Doosan D439E User Manual

Doosan D439E
366 pages
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Service Manual
D439E Diesel Engine
D35S-5, D40S-5, D40SC-5, D45SC-5
D45S-5, D50C-5, D55C-5, D50SC-5, D55SC-5
D60S-5, D70S-5
D80S-5, D90S-5
SB4323E00
Nov. 2008

Table of Contents

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Doosan D439E Specifications

General IconGeneral
Engine ModelD439E
AspirationTurbocharged
Max Torque1400 rpm
Fuel SystemDirect Injection
Engine Type4-cycle, water-cooled, diesel engine

Summary

Important Safety Information

Engine Mechanical System (D439E)

Lubrication System Overview and Troubleshooting

Explains lubrication system, components, specs, and troubleshooting for oil pressure and consumption issues.

Cooling System Overview and Troubleshooting

Explains cooling system, water pump, thermostat, and troubleshooting for overheating and coolant loss.

Engine Electrical System (D439E)

Starting System Specifications and Troubleshooting

Lists starter specs and troubleshooting for cranking, rotation, and power issues.

Alternator System Description and Testing

Explains alternator components and procedures for testing output current, voltage drop, and regulator function.

Fuel System

Fuel Injection System Troubleshooting

Troubleshooting guide for fuel injection issues like engine not cranking, low speed, and glow plug system faults.

Engine Control System Diagnostics

Explains the diesel control system, self-diagnosis, ECU pinouts, circuit diagrams, and component inspections.

Service Tool

G-scan Safety Warnings and Precautions

Critical warnings and cautions for the safe operation, handling, and storage of the G-scan diagnostic tool.

G-scan Fault Code Searching and DTC Analysis

Explains how to search for fault codes and navigate to DTC analysis screens.

G-scan Data Analysis and Flight Record Functions

Details functions for analyzing data, recording flight data, and reviewing recorded information.

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