Komatsu Excavator Service Manual

Product Overview

This comprehensive shop manual provides essential technical information required for servicing Komatsu Excavators. Designed for ease of understanding, it includes sections focused on different aspects of maintenance to assist professionals in workshop environments.

Key Features

• Foreword: Introduction to safety and essential information for operating the equipment.
• General: Detailed specifications of the excavator machinery.
• Structure and Function: Insights into the components’ design, operational purpose, and maintenance standards.
• Testing and Adjusting: Guides on measurement tools, methods, standard values, and troubleshooting criteria.
• Disassembly and Assembly: Instructions for the removal, installation, and reassembly of parts with specified tools and techniques.
• Others: Information on hydraulic and electrical circuit diagrams, and methods for part repair and replacement.

Benefits

• Provides a step-by-step guide for efficient maintenance and repair.
• Improves understanding of machine components for enhanced troubleshooting.
• Supports precision in testing and adjusting machinery.
• Ensures utilization of the correct tools and methods for assembly tasks.

Usage Recommendations

• Begin with disconnecting the battery’s negative cable before performing any service tasks.
• Follow the structured approach in each section to maintain equipment safety and functionality.
• Refer to the standard value tables for accurate testing and adjusting.
• Regularly consult the troubleshooting guide to quickly identify and resolve machine issues.

Removal and Installation of Monitor Assembly

The process begins with detaching the cable from the negative battery terminal:

• Take off the cover (indicated as 1) and detach the air conditioner sunlight sensor’s wiring connector P15 (noted as 2).
• Lift the cover to fully remove.
• Undo the three mounting screws to remove the monitor assembly (labelled as 3).
• Disconnect the monitor panel wiring connectors P01, P02, and P03 at the specified points.

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For more detailed instructions and troubleshooting tips, refer to the official manual that comes with the product.