Linkbelt LS-2650 C2 Excavator Service Repair Manual

Table of Contents (Service Manual)

1. Caution for Inspection and Maintenance

• Basic Rules
  • General Rules for Disassembling
    • Pre-Disassembly Preparation
    • Cautions for Disassembling
  • General Rules for Reassembling
    • After Reassembly
  • Handling of Interchangeable (Common) Parts
    • Packings
    • O-Ring
    • Oil Seal
    • Bearing
    • Snap Ring

2. Hydraulic and Electrical Systems

• Hydraulic Circuit
• Electric Circuit
• Performance Standards
  • Adjustment and Performance Test
• Operation Instructions for Hydraulic Components at Starting
  • Pump
  • Travel Motor
  • Swing Motor
• Oil Stopper for Suction Strainer

3. Undercarriage

• Traction Motor and Reduction Gear
  • Inspection
  • Revolution Direction
  • Hydraulic Oil
  • Filter
  • Piping
  • Lubricants for Reduction Gear
• Traction Drive Assembly
• Take-Up Roller
  • Structural Diagram
  • Tools and Jigs
  • Disassembly
  • Reassembly Procedure
  • Maintenance Standards
• Carrier Roller
  • Structural Diagram
  • Tools and Jigs
  • Disassembly Procedure
  • Reassembly Procedure
  • Maintenance Standards
• Track Roller
  • Structural Diagram
  • Tools and Jigs
  • Disassembly
  • Reassembly
  • Maintenance Standards
• Grease Cylinder
  • Structural Diagram
  • Tools and Jigs
  • Disassembly
  • Reassembly
• Recoil Spring & Roller
  • Structural Diagram
  • Tools and Jigs
  • Disassembly
  • Reassembly
• Shoe and Drive Sprocket
  • Structural Diagram
  • Tools
  • Disassembly and Reassembly of Shoes
  • Maintenance Standards

4. Upper Structure

• Swing Motor and Reduction Gear
  • Swing Motor
    • Caution Regarding Handling
    • Maintenance Standards
    • Troubleshooting
    • Tools Required
    • Jigs
    • Disassembly
    • Reassembly
  • Reducer Unit
    • Tools Required
    • Jigs
    • Disassembly
    • Reassembly
• Swing Motor Assembly
• Engine Mounting
• Hydraulic Pump
  • Periodic Checking and Change Period
  • Disassembly and Reassembly
  • Maintenance Standards
• Pump Installation
• Rotating Joint
  • Structural Diagram
  • Tools

5. Hydraulic Components

• Pilot Valve
  • Summary
  • Model Code Numbers
  • Construction
  • Functions
  • Actuation
  • Maintenance
  • Troubleshooting
• Control Valve
  • Outline
  • Layout and Structure
  • Caution in Handling the Control Valve
  • Disassembly and Reassembly
  • Troubleshooting
• Hydraulic Cylinder
  • Cylinder Assembly
  • Troubleshooting
  • Maintenance Standards
  • Disassembly Procedure
  • Reassembly Procedure
  • Performance Check

6. Service Monitoring System

• Outline
• Performance
• Function and Construction Description
• Disassembly and Reassembly

7. Additional Information

• Weight of Components
• Maintenance Standards
• Conversion Table