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Doosan D20SC-5 User Manual

Doosan D20SC-5
242 pages
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Service Manual
A2300 Diesel Engine
D15S-5, D18S-5, D20SC-5
G15S-5, G18S-5, G20SC-5
GC15S-5, GC18S-5, GC20SC-5
SB4106E01

Table of Contents

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Doosan D20SC-5 Specifications

General IconGeneral
Engine TypeDiesel
Number of Cylinders4
Fuel SystemDirect Injection
Cooling SystemWater-cooled
Lubrication SystemForced Lubrication
Starting SystemElectric starter
AspirationNaturally Aspirated

Summary

Important Safety Information

Engine Specifications

Troubleshooting Logic

Common Troubleshooting Scenarios

Covers issues like engine not starting, rough running, low power, and overheating.

Coolant System

Cooling System Replacement Procedures

Step-by-step guides for replacing components like drive belts and water pumps.

Fuel System

Injection Pump Timing

Explains the critical procedure for setting engine pump timing for optimal performance.

Air System

Turbocharger – Replacement

Provides instructions for removing and installing the turbocharger unit.

Lubricating System

Electrical System

Diagnosing Electrical Malfunctions

Troubleshooting for starting motor and alternator issues, including cranking speed.

Base Engine Components

Cylinder Head Removal

Detailed steps for removing the cylinder head assembly.

Main Bearing Replacement

Procedure for inspecting and replacing main bearings.

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