Linkbelt LS-3400 C2 Excavator Service Repair Manual

Table of Contents

1. Inspection and Maintenance Guidelines

• Caution for Inspection and Maintenance
• Basic Rules
  • General Rules for Disassembling

2. Hydraulic and Electrical Systems

• Hydraulic Circuit
  • Serial No. 5201 to 5331
  • Serial No. 5332 to 5560
  • Serial No. 5561 and After
• Electric Circuit
  • Serial No. 5201 to 5331
  • Serial No. 5332 to 5560
  • Serial No. 5561 and After
• Performance Standards
  • Serial No. 5201 to 5560
  • Serial No. 5581 and After
• Measuring Pressure
  • Accumulator Gas Pressure Verification
  • Hydraulic System Relief Valve Adjustment
  • Main Relief Pressure
  • Third Pump Circuit Pressure
  • Overload Relief Valve
• Operating Instructions for Hydraulic Components at Starting
  • Oil Supply Quantities
  • Cautions for Replacement of Major Hydraulic Equipment
• Oil Stopper for Suction Strainer

3. Undercarriage

• Travel Motor
  • Serial No. 5201 to 5331
  • Serial No. 5332 to 5560
  • Serial No. 5561 and After
• Traction Drive Assembly
• Take-Up Roller
  • Structural Diagram
  • Tools and Jigs
  • Maintenance Standards
  • Disassembly
  • Reassembly
• Upper Roller
  • Structural Diagram
  • Tools and Jigs
  • Maintenance Standards
  • Disassembly
  • Reassembly
• Lower Roller
  • Structural Diagram
  • Tools and Jigs
  • Maintenance Standards
  • Disassembly
  • Reassembly
• Recoil Spring
  • Structural Diagram
  • Tools and Jigs
  • Disassembly Procedure
  • Reassembly Procedure
• Shock Absorber
  • Structural Diagram
  • Tools and Jigs
  • Disassembly
  • Reassembly Procedure
• Shoe and Drive Sprocket
  • Structural Diagram
  • Tools

4. Upper Structure

• Swing Motor and Reduction Gear
  • Preface
  • Structure
  • Cautionary Points for Operation
  • Troubleshooting
  • Maintenance Procedures
• Swing Motor Assembly
• Engine Mounting
• Hydraulic Pump
• Pump Installation
• Rotating Joint
  • Structural Diagram
  • Tools
  • Disassembly Procedures
  • Reassembly Procedure

5. Hydraulic Components

• Pilot Valve
  • Summary
  • Model Code Numbers
  • Specifications
  • Construction
  • Functions
  • Actuation
  • Maintenance
• Control Valve
  • Disassembly
  • Cleaning
  • Inspection
  • Assembly
  • Relief Valve
  • Port Relief
  • Low Pressure Relief Valve
  • Adjustment
  • Mounting
  • Operation
  • General Specifications of Control Valve
• Hydraulic Cylinder
  • Disassembly and Assembly Procedures
  • Troubleshooting
  • Maintenance Standards
  • Disassembling Procedure
  • Performance Check

6. Monitoring System

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

7. Maintenance Standards

• Weight of Components
• Weight of Individual Parts
• Swing Equipment
• Attachment
• Tightening Torque Table