Overview
The Komatsu PC138US-11 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 documented contents outline identifies 51618 and up, 55541 and up, manuals: shop manual, operation and maintenance manual and 00 index and foreword. The table below lists selected source-supported subjects; consult the publication for exact service procedures and specifications.
Important Information: Confirm the applicable serial-number or production range in the supplied documentation before selecting a procedure.
Safety Information: Review the safety warnings and precautions included in the source documentation before performing service work.
Table of Contents
Komatsu PC138US-11 Manual
Main sections and selected subjects identified in the source documentation:
- 51618 and up
- 55541 and up
- Manuals: Shop Manual, Operation and Maintenance Manual
- 00 INDEX AND FOREWORD
- 01 SPECIFICATIONS
- 10 STRUCTURE AND FUNCTION
- 20 STANDARD VALUE TABLE
- 30 TESTING AND ADJUSTING
- 40 TROUBLESHOOTING
- 50 DISASSEMBLY AND ASSEMBLY
- 60 MAINTENANCE STANDARD
- 80 APPENDIX
- 90 CIRCUIT DIAGRAMS
- INDEX
- Composition of the shop manual
- This section describes the index, foreword, safety, and basic information.
- This section describes the specifications of the machine.
- 80 THE OTHER INFORMATION
- This section describes the structure and function, testing and adjusting, and troubleshooting for all of the other
- components or equipment which cannot be separately classified in the appendix.
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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