Komatsu Excavator Manual: PC650-3, PC650LC-3, PC650SE-3

Product Overview

This comprehensive manual is an essential resource for understanding the key components and maintenance procedures of the Komatsu Excavator models PC650-3, PC650LC-3, and PC650SE-3. Divided into detailed sections, it covers general specifications, structural insights, maintenance standards, as well as troubleshooting and repair procedures.

Table of Contents

1. General
2. Engine
3. Power Train
4. Undercarriage
5. Air System
6. Hydraulic System
7. Electric and Electronic System

General

This section lists the overall machine dimensions, performance specifications, and component weights. It also includes detailed charts for fuel, coolant, and lubricant specifications, helping you understand the baseline requirements for optimal machine operation.

Structure, Function, and Maintenance Standard

In this section, you will find an explanation of the structure and function of each component. Designed to enhance your understanding, it also acts as a valuable reference for troubleshooting various issues that may arise during operation.

Testing, Adjusting, and Troubleshooting

This part of the manual focuses on the necessary checks before and after repairs, as well as the adjustments to be made following repairs. It includes troubleshooting charts that correlate specific problems with their potential causes, making diagnostics more straightforward.

Disassembly and Assembly

Specifically tailored for the Komatsu Excavator models PC650-3, PC650LC-3, and PC650SE-3, this section guides you through the correct order and procedure for removing, installing, disassembling, and assembling each component. Important precautions for these operations are also provided to ensure safety and accuracy.

Usage Recommendations

• When lifting heavy components, always use a hoist or crane, ensuring all equipment including wire ropes, chains, and hooks are in good condition.
• Utilize lifting equipment with sufficient capacity and attach it at designated points on the machinery.
• Operate hoists or cranes slowly to prevent accidental damage to the components or surrounding areas.
• Avoid working under components that are supported by a hoist or crane to ensure safety.