Komatsu Galeo D51EX-22, D51PX-22 Dozer Service Manual

Product Overview

This comprehensive service manual is an essential resource for maintaining and servicing the Komatsu Galeo D51EX-22 and D51PX-22 dozers. It includes detailed information about machine specifications, maintenance standards, and procedural guides for troubleshooting and repairs. The manual is structured into specific sections to facilitate easy navigation and understanding.

Key Features

• General Specifications: Dimensions, performance metrics, component weights, and fluid specifications.
• Structural Insights: Detailed explanation of each component’s design and function, alongside maintenance standards.
• Testing and Adjustment Protocols: Procedures for pre- and post-repair checks and necessary adjustments.
• Troubleshooting Guides: Comprehensive charts correlating common problems with their causes.
• Disassembly and Assembly Instructions: Step-by-step guidance for removing, installing, disassembling, and assembling components with safety precautions.
• Supplementary Information: Foldout machine drawings to assist with repairs and understanding component layout.

Benefits

• Ensures optimal performance and longevity of the dozer through detailed maintenance instructions.
• Enhances user understanding of machine mechanics, aiding in efficient troubleshooting and repair.
• Structured format aids in quick referencing and guided procedures.

Usage Recommendations

• Regularly consult the general specifications to maintain machine performance and efficiency.
• Follow the structural guides for routine inspections and understanding of component functionality.
• Leverage the troubleshooting charts to promptly identify and resolve issues.
• Methodically adhere to the disassembly and assembly instructions to prevent component damage.

Assembly of Main Piston

1. Install spool (17) onto piston (16).
2. Place O-ring on plug (13) and install it into piston (16).
3. Fit O-ring onto piston assembly (16) and secure it to the end cover.
4. Install pin (15) and secure with screw (14).
• Ensure proper orientation of pin (15).
• Verify dimension (L6) to ensure screw (14) is correctly positioned in pin (15) hole.
5. Degrease threaded areas of the screw and piston using trichloroethylene, dry them, and apply two drops of adhesive (0.04 g) to each.
• After tightening, avoid oil application for at least one hour to allow LOCTITE to harden.
• Avoid applying pressure for at least six hours after tightening.