Komatsu GD675-7E0 Motor Grader Shop Service Manual 65001 and up (SEN06962-03)

This Service Manual provides clear, step-by-step instructions for maintaining, diagnosing, and repairing Komatsu equipment. It includes detailed procedures, diagrams, specifications, and troubleshooting guides to help technicians perform accurate and efficient service work.

CONTENTS:

00 Index and Foreword
Index
Foreword, Safety, Basic Information
01 Specifications
Table of Contents
Specifications
10 Structure and Function
Table of Contents
Urea SCR System
Boot-up System
Engine System
Cooling System
Control System
Hydraulic System
Power Train System
Steering System
Work Equipment System
Brake System
Undercarriage and Frame
Work Equipment
CAB Related Parts
20 Standard Value Table
Table of Contents
Standard Value Table for Engine
Standard Value Table for Machine
30 Testing and Adjusting
Table of Contents
Precautions Before Work
Related Information on Testing and Adjusting
Engine and Cooling System
Power Train
Steering System
Brake System
Hydraulic System
Work Equipment
Electrical System
Pm Clinic
40 Troubleshooting
Table of Contents
Precautions Before Work
Related Information for Troubleshooting
Troubleshooting by Failure Code (Display of Code)
Troubleshooting of Electrical System (E-Mode)
Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
Troubleshooting of Engine (S-Mode)
50 Disassembly and Assembly
Table of Contents
Precautions Before Work
Related Information on Disassembly and Assembly
Engine and Cooling System
Power Train
Steering System
Brake System
Undercarriage and Frame
Hydraulic System
Work Equipment
CAB Related Parts
Electrical System
60 Maintenance Standard
Table of Contents
Explanation of Terms for Maintenance Standard
Engine and Cooling System
Power Train
Steering System
Brake System
Undercarriage and Frame
Hydraulic System
Work Equipment
80 Others
Table of Contents
Precautions Before Work
Air Conditioner System
Component Parts of Air Conditioner System
Explanation of Procedure for Test of and Troubleshooting of Air Conditioner
Circuit Diagram and Configuration of Connector Pins of Air Conditioner
System Diagram of Air Conditioner
Locations of Air Conditioner Parts and Layout of Connectors
Examine Air Conditioner with Self-Diagnosis Function
Examine Air Leakage (Duct)
Examine Temperature Control Function
Examine Fresh/Recirc Air Changeover
Examine Evaporator Temperature Sensor
Examine Relay
Examine Blower Amplifier
Air Conditioner Troubleshooting Chart 1
Air Conditioner Troubleshooting Chart 2
Information Shown in Troubleshooting Table
Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)
Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)
Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)
Troubleshooting for Temperature Control Function
Troubleshooting for Fresh/Recirc Air Changeover
Troubleshooting for Hot Water Cut Valve
Troubleshooting by Gauge Pressure
Connect Service Tool
Precautions for Disconnection and Connection of Air Conditioner Piping
Handle Compressor Oil
90 Circuit Diagrams
Table of Contents
How to Read the Codes for Electric Cable
Hydraulic Circuit Diagram
Electrical Circuit Diagram

Format: PDF (Printable Document)
File Language: English
File Pages: 4878
File Size: 116.64 MB
Brand: Komatsu
Model: GD675-7E0 Motor Grader
Book No: SEN06962-03
Serial No: 65001 and up