Shop Manual for Komatsu Excavators

Product Overview

This comprehensive shop manual provides essential technical information required for workshop services on Komatsu Excavators. It is designed for ease of understanding and is organized into specific sections, each serving as a guide to various aspects of repair and maintenance.

Table of Contents

• 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. Diagrams and Drawings

Section Overview

Index and Foreword

This section includes the index, foreword, safety information, and basic guidelines.

Specifications

This section details the specifications of the Komatsu Excavators, providing vital information for technical assessments.

Structure and Function

An explanation of the structure and function of each component. This helps in understanding how each part works and serves as a useful reference for troubleshooting.

Standard Value Table

This section provides standard values for new machines and criteria for testing and troubleshooting. It serves as a basis for evaluating and adjusting parts.

Testing and Adjusting

Details on measuring tools and methods for testing and adjusting each part. It includes the judgment criteria and standard values found in the “Standard Value Table.”

Troubleshooting

Guidance on identifying and repairing faulty parts, organized by failure modes. Some engine-related troubleshooting may be covered in the Chassis or Engine volumes.

Disassembly and Assembly

Instructions on using special tools and procedures for removing or installing each component. Includes information on tightening torque and necessary materials such as oils and greases.

Maintenance Standard

Presents maintenance standards for components, including criteria and remedies for services.

Appendix

Covers the structure, function, testing, and troubleshooting for equipment not classified in other sections.

Diagrams and Drawings

• Chassis Volume: Includes hydraulic and electrical circuit diagrams.
• Engine Volume: Instructions on engine remanufacturing and part replacement.

Applicable Models

The shop manual applies to the following Komatsu Excavators:

• PC300-60001 and up
• PC300LC-60001 and up
• PC350-60001 and up
• PC350LC-60001 and up