Overview
The Komatsu PC80MR-3 excavator 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, STRUCTURE AND FUNCTION, TESTING AND ADJUSTING and DISASSEMBLY AND ASSEMBLY . 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 PC80MR-3 Manual
Main sections and selected subjects identified in the source documentation:
- Manuals: Shop Manual
- STRUCTURE AND FUNCTION
- TESTING AND ADJUSTING
- DISASSEMBLY AND ASSEMBLY
- OTHER
- TESTING AND ADJUSTMENTS
- Troubleshooting charts correlating Problems to Causes are also included in this section.
- REMOVAL AND INSTALLATION FOR Komatsu PC80MR-3
- When traveling in a straight line
- Function
- Operation
- When left and right travel spools (1) are operated, the pump discharge flows from pump circuit PP and circuit PA to actuator circuit A.
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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