Komatsu D61EX-23, D61PX-23 Dozer Service Manual

Table of Contents

• Index and foreword
• Specification
• Structure, function and maintenance standard
• Standard value table
• Testing and adjusting
• Troubleshooting
• Disassembly and assembly
• Maintenance standard
• Appendix
• Diagrams and drawings
• Index

Proper service and repair are extremely important for safe machine operation. The service and repair techniques recommended by Komatsu and described in this manual are both effective and safe. Some of these techniques require the use of tools specially designed by Komatsu for the specific purpose.

Procedure for troubleshooting
If a phenomenon which appears a source of a trouble occurs on the machine, go to the corresponding troubleshooting section according to the following procedure.

1. Procedure for troubleshooting when action level and failure code are displayed on machine monitor:
If a action level and a failure code are displayed on the standard screen of the machine monitor, perform the troubleshooting for the corresponding “Display of code” according to the displayed failure code.
a If multiple failures occur simultaneously, all failure codes are displayed repeatedly in order. Record all failure codes on a paper.

2. Procedure for troubleshooting when action level and failure code are not displayed on machine monitor:
Check a mechanical system failure code and an electrical system failure code with the abnormality record function of the machine monitor.