Overview
The Komatsu WA450-3, WA450-3LL 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 WA450-3, WA450-3LL, Manuals and 01 GENERAL. 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 WA450-3, WA450-3LL Manual
Main sections and selected subjects identified in the source documentation:
- WA450-3: 53001 and up
- WA450-3LL: 50305 and up
- Manuals: Shop Manual
- 01 GENERAL
- 10 STRUCTURE AND FUNCTION
- 20 TESTING AND ADJUSTING
- 30 DISASSEMBLY AND ASSEMBLY
- 40 MAINTENANCE STANDARD
- Manual Outline Transmission Control Valve
- The priority valve adjusts the delivery pressure of the pump and ensures the pilot pressure and oil pressure used to release the parking brake.
- The oil relieved by the main relief valve is supplied to the torque converter.
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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