Komatsu Excavator PC158US-2 Service Manual

Product Overview

This service manual provides comprehensive guidance on the operation and maintenance of the Komatsu Excavator PC158US-2. It includes detailed instructions on various machine components, performance specifications, maintenance standards, and troubleshooting techniques to ensure optimal functionality and longevity of your equipment.

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Key Features

• General Specifications: Detailed machine dimensions, performance data, and component weights.
• Structure and Function: In-depth understanding of each componentu2019s structure and operation.
• Testing and Adjusting: Procedures for checking and fine-tuning components pre- and post-repair.
• Disassembly and Assembly: Step-by-step guidance for safe and efficient component handling.
• Maintenance Standards: Comprehensive reference material for maintaining equipment standards.

Benefits

• Facilitates troubleshooting with clear problem-to-cause correlation charts.
• Ensures safe handling of heavy machinery with best practices for using lifting equipment.
• Promotes efficient servicing through organized disassembly and assembly procedures.

Usage Recommendations

• Always use a hoist or crane of adequate capacity to lift heavy components and ensure all chains and hooks are damage-free.
• Verify the correct installation points for lifting equipment to prevent accidents.
• Operate lifting devices slowly to avoid collisions with other parts.
• Avoid working under any components that remain elevated by a hoist or crane.

Assembly Instructions for Track Roller

1. Utilize push tool D to press fit bushings (9) and (10) into roller (4).
2. Secure collar (8) onto shaft (5).
3. With tool M1, install the floating seal (6) onto shaft (5). Ensure the contact surfaces of the O-ring (6c) and floating seal (6a) are clean and dry.
4. Use tool M1 to place floating seals (6) and (3) into roller (4), adhering to the precautions from Step 3 for accurate installation.
5. Mount shaft (5) into roller (4).
6. Carefully invert the roller (4) and shaft (5) assembly.
7. Using tool M1, affix floating seal (3) to collar (2) and follow the guidelines from Step 3 for proper sealing.
8. Attach collar (2) to shaft (5) and finalize the installation with pin (1).