Overview
The Komatsu PC25-1, PC30-7, PC40-7, PC45-1 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 PC25-1, PC30-7, PC40-7 and PC45-1. 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 PC25-1, PC30-7, PC40-7, PC45-1 Manual
Main sections and selected subjects identified in the source documentation:
- PC25-1: 1001 and up
- PC30-7: 18001 and up
- PC40-7: 18001 and up
- PC45-1: 1001 and up
- Manuals: Shop Manual
- 01 GENERAL
- 10 STRUCTURE AND FUNCTION
- 20 TESTING AND ADJUSTING
- 30 DISASSEMBLY AND ASSEMBLY
- 40 MAINTENANCE STANDARD
- Composition of shop manual
- ease of understanding, the manual is divided into the following sections.
- FOREWORD
- This section explains the safety and basic information.
- GENERAL
- This section explains the specifications of the machine for the Komatsu Excavator.
- STRUCTURE AND FUNCTION, MAINTENANCE STANDARD
- This section explains the structure, function, and maintenance standard values of each component.
- TESTING AND ADJUSTING
- Standard value table
- Troubleshooting
- DISASSEMBLY AND ASSEMBLY Excavator
- OTHERS (chassis volume)/Repair and replacement of parts (engine volume)
- Chassis volume
- This section gives hydraulic circuit diagrams and electrical circuit diagrams.
- Engine volume
- This section explains the method of reproducing, repairing, and replacing parts.
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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