Linkbelt 2650Q, 2650Q2, 2700Q, 2700Q2 Quantum Excavator Service Repair Manual

Table of Contents

1. Shop Manual Data Explanation

• Explanation
• Contents
• Safety
• Introduction
• Symbols Used
• Precautions
• Standard Torque Specifications
• Numerical Conversion Table

2. Specifications

• Major Equipment Specifications
  • Lower Mechanism
    • General View, Lower
    • Travel Equipment
    • Idler Wheel
    • Upper Roller
    • Lower Roller
    • Recoil Spring
    • Shoe
  • Upper Mechanism
    • Swing Equipment
  • Engine
    • Engine
    • Radiator
    • Engine Control
    • Fuel Tank
  • Hydraulic Equipment
    • Hydraulic Pump
    • Hydraulic Reservoir
    • Rotating Joint
    • Solenoid Valve
  • Controls
    • Remote Control Valve
    • Control Valve
    • By-Pass Oil Filter
  • Excavator Attachment
    • Cylinder
• Main Body Oils and Greases
  • Use of Fuel, Lubricants, Oils, and Greases
  • Expendables
  • Lubrication for 2650 and Element Replacement
  • Lubrication for 2700 and Element Replacement
  • Replacement Intervals for Hydraulic Oil and Filters when Using the Hydraulic Hammer

3. Performance

• Main Body Weight
  • Main Body Weight
  • Assembly Weights
  • Separate Parts Weight
• Lifting Capacities

4. Main Body Disassembly and Servicing Procedures

• Lower Mechanism
  • Travel Equipment
  • Drive Sprocket
  • Idler Wheel
  • Upper Roller
  • Lower Roller
  • Recoil Spring
  • Grease Cylinder
  • Track Shoe
  • Rotating Joint
• Upper Mechanism
  • Swing Equipment
  • Engine and Radiator
  • Hydraulic Pump
  • Control Valve
  • Remote Control Valve
  • Operator’s Cab
• Attachment
  • Bucket Cylinder
  • Arm Cylinder
  • Boom Cylinder
• Maintenance Standards
  • Drive Sprocket
  • Idler Wheel
  • Upper Roller (and Slide Plate)
  • Lower Roller
  • Track Shoe (Grouser Shoe)
  • Attachment
  • Maintenance Standard Values Table
  • Gauge Table

5. Major Components Disassembly and Servicing Procedures

• Tightening Torque for Major Parts
• Idler Wheel
• Upper Roller
• Lower Roller
• Recoil Spring
• Rotating Joint

6. Major Hydraulic Components Disassembly and Servicing Procedures

• Hydraulic Pump
• Travel Mechanism
  • Operating Principle and Precautions for Use (2650)
  • Operating Principle and Precautions for Use (2700)
  • Disassembly and Maintenance Procedures (2650)
  • Disassembly and Maintenance Procedures (2700)
• Swing Mechanism
  • Motor Assembly
  • Motor
  • Reduction Gear
• Control Valve
• Cylinder
  • Specifications, Structure
  • Operation Principle, Servicing Procedures
• Remote Control Valve
  • Operation
  • Travel
• Valve
  • 8 Spool Solenoid Valve
  • Shuttle Valve
  • Cushion Valve
  • Stack Valve