Doosan D35S-5 Service Manual

D439E Service Manual 5. Service Tool
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Power ON/OFF
<Figure 1: Location of the Power S/W>
Power ON/OFF Method
Power ON
1. Please connect the power before turn on G-scan.
NOTE : For the details of power connection to G-scan, refer to “Power Supply” of the “Basic usage of G-scan”.
2. Press the “Power Switch” shown in <Figure 1> until the DLC LED and OPTION LED located on upper right
of G-scan are turned from yellow to green. (It requires about 0.5 second.)
NOTE : For the lightening color of POWER LED, refer to the “Description for Main Component of H/W” of the
“Basic Usage of G-scan” (Module: A-02-003).
After booting G-scan normally, the main screen of G-scan will be shown as <Figure 2>.

Doosan D35S-5 Specifications

General

Brand	Doosan
Model	D35S-5
Category	Engine
Language	English

Summary

1. General Information

How to Read Disassembly and Reassembly Drawings

Guidance on interpreting disassembly and reassembly diagrams and part numbering conventions.

Definition of Terminologies

Explanation of standard terms and abbreviations used in the manual, like NV, RL, SL, BD, T.

Unit of Measurement

Specifies that SI units are used, with metric notation presented in parentheses.

Note, Warning, and Caution Symbols

Defines the meaning of NOTE, CAUTION, and WARNING symbols used throughout the manual.

General Precautions for Servicing

Covers vehicle protection, tool preparation, removal, disassembly, inspection, and general safety.

2. Engine Mechanical System (D439E)

General Information

Covers engine description, specifications, tightening torque, special tools, diagnosis, and adjustments.

Timing System

Details on the timing gear assembly, including components, removal, inspection, and installation.

Cylinder Head Assembly

Covers cylinder head components, removal, disassembly, inspection, replacement, reassembly, and installation.

Crankcase Assembly

Details on the crankcase and flywheel, including components, removal, inspection, and installation.

3. Engine Electrical System (D439E)

Specifications

Provides specifications for Starting System, Charging System, and Preheating System.

Service Standards

Lists service standards for starter motor and alternator components.

Tightening Torque

Specifies tightening torque values for various electrical system components.

Troubleshooting

Provides solutions for common problems with the alternator, starter, and pre-heating systems.

4. Fuel System

General Specifications

Details specifications for sensors, actuator, supply pump, and fuel filter.

Tightening Torque

Lists tightening torque values for fuel system components.

Troubleshooting

Covers common fuel system issues like poor injection, engine stall, and lack of power.

Engine Control System - Electronic

Explains the diesel control system, ECU, sensors, and diagnostic procedures.

Fuel Delivery System Components

Details components like fuel filter, injectors, common rail, and injection pump.

5. Service Tool

Introduction and Safety

Provides an overview of the G-scan tool, its components, and safety precautions for use.

Hardware Specifications

Details the technical specifications of the G-scan hardware, including interface and power.

Vehicle Communication Function

Covers vehicle selection, fault code searching, DTC analysis, data analysis, and actuation tests.

ECU Upgrade and Management

Explains how to perform ECU upgrades and manage vehicle software.

PC Utility Installation and Usage

Guides on installing, running, and updating the G-scan PC utility software.