Overview
The Komatsu PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 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 PC27MR-2, PC30MR-2, PC35MR-2 and PC40MR-2. 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 PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 Manual
Main sections and selected subjects identified in the source documentation:
- PC27MR-2: 15001 and up
- PC30MR-2: 20001 and up
- PC35MR-2: 5001 and up
- PC40MR-2: 8001 and up
- PC50MR-2: 5001 and up
- Manual: Shop Manual
- 01 GENERAL
- 10 STRUCTURE, FUNCTION AND
- MAINTENANCE STANDARD
- 20 TESTING AND ADJUSTING
- 30 DISASSEMBLY AND ASSEMBLY
- 90 OTHERS
- Make sure you understand the contents of this manual and use it to full effect at every opportunity.
- STRUCTURE AND FUNCTION
- In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance standards.
- TESTING AND ADJUSTING
- Troubleshooting charts correlating "Problems" with "Causes" are also included in this section.
- DISASSEMBLY AND ASSEMBLY
- This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.
- This section gives the judgment standards for inspection of disassembled parts.
- The contents of this section may be described in STRUCTURE AND FUNCTION.
- OTHERS
- This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
- In addition, this section may give the specifications of attachments and options together.
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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