Komatsu HD785-8 Dump Truck Shop Service Manual 50001 and up (SEN06772-21)

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
Boot-up System
Engine System
Cooling System
Control System
Hydraulic System
Power Train System
Work Equipment System
Steering System
Brake System
Undercarriage and Frame
Work Equipment
CAB Related Parts
Lifting System
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
Differences In Machine Monitor Symbols
Related Information on Testing and Adjusting
Engine and Cooling System
Power Train
Steering System
Brake System
Hydraulic System
Device to Get on or Off Machine
Work Equipment
CAB Related Parts
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
Brake System
Steering 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
CAB Related Parts
80 Others
Table of Contents
Precautions Before Work
Air Conditioner System
KomVision System
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: 6950
File Size: 172.77 MB
Brand: Komatsu
Model: HD785-8 Dump Truck
Book No: SEN06772-21
Serial No: 50001 and up