Komatsu WA270-7 Wheel Loader Shop Service Manual 80001 and up (SEN06255-11)

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 and general information
01 Specification
Table of contents
Specifications
10 Structure and function
Table of contents
Engine and cooling system
Power train
Steering system
Brake system
Undercarriage and frame
Hydraulic system
Work equipment
Cab and its attachments
Electrical system
20 Standard value tables
Table of contents
Standard service value table
30 Testing and adjusting
Table of contents
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
Related information on troubleshooting
Troubleshooting by failure code (Display of code)
Troubleshooting of electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)
50 Disassembly and assembly
Table of contents
Related information on disassembly and assembly
Engine and cooling system
Power train
Undercarriage and frame
Hydraulic system
Work equipment
Cab and its attachments
Electrical system
Air conditioner unit
60 Maintenance standard
Table of contents
Engine and cooling system
Power train
Steering system
Brake system
Undercarriage and frame
Hydraulic system
Work equipment
Cab and its attachments
Electrical system
80 Appendix
Table of contents
Air conditioner components
90 Diagrams and drawings
Table of contents
Hydraulic circuit diagram
Electric circuit diagram

Format: PDF (Printable Document)
File Language: English
File Pages: 2090
File Size: 60.60 MB
Brand: Komatsu
Model: WA270-7 Wheel Loader
Book No: SEN06255-11
Serial No: 80001 and up