Overview
The Komatsu WA65-3, WA90-3, WA95-3 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 WA65-3, WA65-3 Parallel Lift, WA75-3 and WA85-3. 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 WA65-3, WA90-3, WA95-3 Manual
Main sections and selected subjects identified in the source documentation:
- WA65-3: HA940051 and up,
- WA65-3 Parallel Lift: HA050051 and up,
- WA75-3: HA950051 and up,
- WA85-3: HA960051 and up,
- WA90-3: HA970051 and up,
- WA95-3: HA980051 and up
- Manuals: Shop Manual
- 00 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 00-3
- 01 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-1
- 10 STRUCTURE AND FUNCTION . . . . . . . . . . . . . . . . . . . . . . 10-1
- 20 TESTING AND ADJUSTING . . . . . . . . . . . . . . . . . . . . . . . . 20-1
- 30 DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . 30-1
- 90 APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-1
- Manual Extract Variable displacement motor
- Function
- The drive motor is the opposite working principle to the drive pump. In this case oil under pressure is sent to the drive motor.
- At least one cylinder is closed at the top or bottom dead center.
- The oil pressure forces the piston out, the guide shoes slide on the swash plate and causes the cylinder head to rotate.
- The drive torque is created directly at the drive shaft from the pistons in the cylinder head.
- A change in the swing angle is achieved by a radial movement of the swash plate with the control piston.
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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