Overview
The Komatsu PC20-6, PC30-6, PC40-6 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 Serial Numbers, PC20-6, PC30-6 and PC40-6. The table below follows the provided section names and selected topics; consult the manual for the exact procedures and specifications.
Table of Contents
Komatsu PC20-6, PC30-6, PC40-6 Manual
Main sections and selected subjects identified in the source documentation:
- Serial Numbers
- PC20-6: 24001 and up
- PC30-6: 10001 and up
- PC40-6: 10001 and up
- Manuals: Shop Manual
- 10 STRUCTURE, FUNCTION
- 20 TESTING AND ADJUSTING
- 30 DISASSEMBLY AND ASSEMBLY
- 40 MAINTENANCE STANDARD
- GENERAL
- STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
- TESTING, ADJUSTING AND TROUBLESHOOTING
- DISASSEMBLY AND ASSEMBLY KOMATSU Excavator
- In the wiring diagrams various colour and symbols are employed to indicate the thickness of wires.
- This wire code table will help you understand WIRING DIAGRAMS.
Using the Technical Reference
Use the identified sections to locate relevant information, and follow any model-specific instructions, limits and precautions in the original documentation.










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