Komatsu Excavator PC180 Series: Comprehensive Service Manual

Product Overview

This service manual provides detailed instructions and insights for the maintenance and operation of the Komatsu Excavator models PC180LC-3, PC180LLC-3, and PC180NLC-3. It serves as an essential resource for understanding the full functionality, disassembly, assembly, and maintenance standards of these machines.

Table of Contents

• Engine

  • Structure and Function: Comprehensive details on the engine’s structure and operational mechanism.

  • Testing and Adjusting: Guidelines for engine testing and precise adjustment procedures.

  • Disassembly and Assembly: Step-by-step instructions for engine disassembly and assembly.

• Power Train

  • Structure and Function: Examination of power train’s components and their roles.

  • Disassembly and Assembly: Methodical guide for handling the power train.

  • Maintenance Standard: Maintenance benchmarks and schedules outlined.

• Undercarriage

  • Structure and Function: Understanding the undercarriage design and function.

  • Disassembly and Assembly: Procedural insights for the undercarriage components.

  • Maintenance Standard: Standards ensuring optimal undercarriage performance.

• Hydraulic System

  • Structure and Function: Explanation of the hydraulic system’s framework and operation.

  • Testing and Adjusting: Procedures for hydraulic system evaluations and adjustments.

  • Disassembly and Assembly: Guidance for hydraulic component handling.

  • Maintenance Standard: Preventative standards for hydraulic systems.

• Electrical System

  • Structure and Function: Detailed view on electrical layout and function.

  • Testing and Adjusting: Electrical evaluations and adjustment instructions.

General Description

This section provides overall dimensions, performance specifications, component weights, and detailed charts for fuel, coolant, and lubricant specifications.

Structure, Function, and Maintenance Standard

This section offers in-depth information on the function and construction of each component, acting as a valuable reference for troubleshooting and general understanding.

Testing, Adjusting, and Troubleshooting

Provide protocols for checks before and after repairs, necessary adjustments, and troubleshooting charts that align potential problems with their probable causes.

Disassembly and Assembly Procedures

This section outlines the systematic process to follow during disassembly or assembly of components in the PC180LC-3, PC180LLC-3, and PC180NLC-3 models. It includes safety precautions for operations:

• Always use a hoist or crane to elevate heavy parts, ensuring the lifting devices have sufficient capacity.
• Use undamaged wire ropes, chains, and hooks, positioned and operated correctly to avoid collision with machine parts.
• Never work on parts suspended by lifting equipment.