Komatsu Service Manual
Product Overview
This comprehensive service manual provides essential information for the safe operation, service, and repair of Komatsu machinery. It includes detailed instructions approved by Komatsu, ensuring both effectiveness and safety. Some procedures require special tools specifically designed for these tasks by Komatsu, enhancing precision and reliability during repairs.
Table of Contents
- Index and Foreword
- Specification
- Structure, Function, and Maintenance Standard
- Standard Value Table
- Testing and Adjusting
- Troubleshooting
- Disassembly and Assembly
- Maintenance Standard
- Appendix
- Circuit Diagrams
- Index
Key Features
- Step-by-step repair guidelines approved by Komatsu.
- Comprehensive vehicle circuit diagrams for troubleshooting.
- Detailed procedure descriptions with applicable safety techniques.
Benefits
- Ensures maintenance is performed with precision and adherence to safety standards.
- Provides peace of mind through professional repair recommendations.
- Increases machine longevity and operational efficiency.
Usage Recommendations
- Utilize this manual to perform safe and efficient repairs on Komatsu machinery.
- Ensure you have all required Komatsu-designed tools before starting any procedure.
- Consult circuit diagrams and maintenance standards regularly to avoid errors.
Failure Code Analysis
Failure Code [879BKA]: A/C Fresh Air Temperature Sensor Open Circuit | |
Details of Failure | The air conditioner controller detects an open circuit in the outside air temperature sensor. |
Action of Controller | The air conditioner controller sends open circuit data of the outside air temperature sensor to the machine monitor via CAN communication. It ignores the sensor data but continues to manage the air conditioner in automatic mode. |
Machine Phenomenon | Due to the open circuit in the sensor, the outside air temperature is not factored in automatic mode operation. Manual mode remains unaffected. |
Related Information |
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