Komatsu Excavator Manual

Product Overview

This manual provides comprehensive information on the Komatsu Excavator, covering key aspects such as general dimensions, performance specifications, and detailed operational guidelines. Keep this resource handy for troubleshooting, maintenance, and efficient operation of your machinery.

Table of Contents

• Structure and Function – Page 10-1
• Testing and Adjusting – Page 20-1
• Disassembly and Assembly – Page 30-1
• Other – Page 90-1

General Information

This section provides details on the general machine dimensions and performance specifications. It also includes charts on component weights and specifications for fuel, coolant, and lubricant usage.

Structure, Function, and Maintenance Standards

Understand the structure and functionality of each component. This section serves as a valuable reference for troubleshooting the excavator and optimizing its use.

Testing, Adjusting, and Troubleshooting

Learn the necessary checks to perform before and after repairs. This section also includes instructions on adjustments post-repair and troubleshooting charts that correlate potential problems with their causes.

Disassembly and Assembly

Follow a detailed step-by-step guide for removing, installing, disassembling, or assembling each component. Emphasis is placed on safety precautions and best practices during these operations.

Pump Control Functionality

When operating in modes other than heavy-duty, the pump control function manages travel speed effectively, ensuring performance suits work requirements. For more details, refer to the pump and engine mutual control system.

Travel Speed Selection

Manually select travel speeds using the travel speed switch. Options include Lo, Mi, or Hi. The pump controller adjusts pump flow and motor volume according to the set speed.