Overview
The Komatsu WA120-3, WA120-3CS wheel loader repair service manual provides a technical reference for the covered equipment. Its purpose is to help locate information relevant to inspection, troubleshooting, servicing and repair, as applicable to the supplied publication.
The supplied contents outline identifies Serial Numbers, 50001 and up, 10004 and up(WA120-3), 10004 and up(WA120-3CS) and Manuals. The table below follows the provided section names and selected topics; consult the manual for the exact procedures and specifications.
Table of Contents
Komatsu WA120-3, WA120-3CS Manual
Main sections and selected subjects identified in the source documentation:
- Serial Numbers
- 50001 and up, 10004 and up(WA120-3)
- 10004 and up(WA120-3CS)
- Manuals: Shop Manual
- General
- Structure and Functions
- Testing and Adjusting
- Disassembly and Assembly
- Maintenance Standard
- Others
- Manual Extract Main Control Valve
- Outline
- The oil from the pump enters port F and the maximum pressure is set by the relief valve.
- However, a bucket priority circuit is used, so when the bucket spool is operated, the boom is not actuated even if the boom spool is operated.
Using the Technical Reference
Use the identified sections to locate relevant information, and follow any model-specific instructions, limits and precautions in the original documentation.










Reviews
There are no reviews yet.