Overview
The Komatsu WA50-3 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 Manuals, General, Structure and Functions and Testing and Adjusting. The table below follows the provided section names and selected topics; consult the manual for the exact procedures and specifications.
Important Information: Confirm the applicable serial-number or production range in the supplied documentation before selecting a procedure.
Table of Contents
Komatsu WA50-3 Manual
Main sections and selected subjects identified in the source documentation:
- Manuals: Shop Manual
- General
- Structure and Functions
- Testing and Adjusting
- Disassembly and Assembly
- Maintenance Standard
- Others
- Manual Extract HST Piping
- The directional selector solenoid valve is actuated by the operation of the transmission
- to forward or reverse, and the oil flowing to the directional selector valve then flows to the servo cylinder of the main piston pump.
- The swash plate of the piston pump is angled by the operation of this cylinder, and the oil flows in the normal or reverse direction.
- The oil flow that was divided before the directional selector valve flows to the inching
- valve, and makes inching operations possible by opening or closing this valve
Serial-Number Applicability
The covered production ranges or serial groups may affect the applicable procedures. Check the identification details on the machine against the source documentation.










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