Overview
The Komatsu WA470-6, WA480-6, WA470-6LC, WA480-6LC loader 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 A46001 and up, A48001 and up (CEBM023001), 90001 and up (SEN04409-06), A45001 to A45999, A47001 to A47999 (CEBM007102) and H50880 and up, H60470 and up (VEBM660100). 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 WA470-6, WA480-6, WA470-6LC, WA480-6LC Manual
Main sections and selected subjects identified in the source documentation:
- A46001 and up, A48001 and up (CEBM023001)
- 90001 and up (SEN04409-06)
- A45001 to A45999, A47001 to A47999 (CEBM007102)
- H50880 and up, H60470 and up (VEBM660100)
- Manuals: Shop Manual
- Index and Foreword
- Specification
- Structure, functions and maintenance standard
- Standard Value Table
- Testing and Adjusting
- Troubleshooting
- Disassembly and Assembly
- Diagrams and Drawings
- Self-check operation of emergency steering
- The self-check, however, is not performed in the following cases.
- 3) While the steering oil pressure is being sensed
- 4) When the automatic preheater operates
- 5) When an error related to the emergency steering is detected in the process of self-check by the machine monitor
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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