Linkbelt 4300Q Quantum Excavator Service Repair Manual

Table of Contents

1. LOWER MECHANISM

• Travel Motor & Reduction Gears,R & I
• Take-Up Roller, R & I
• Take-Up Roller,Recon.
• Upper Rollers, R & I
• Lower Rollers, R & I
• Recoil Spring, R & I
• Track Assembly, R & I

2. UPPER MECHANISM

• Swing Motor & Reduction Gears, R & I

3. ENGINE

• Throttle Motor, R & I

4. HYDRAULIC EQUIPMENT & LINES

• Hydraulic System Schematic Diagram
• Hydraulic Pump, R & I
• Pilot Pump, R & I
• Hydraulic System Cleaning Procedure
• Rotating Joint, R & I

5. CONTROLS

• Joystick Control Valve, R & I
• Travel/Service Control Valve, R & I
• Main Control Valve, R & I

6. ATTACHMENT

• Boom Cylinder, R & I
• Arm Cylinder, R & I
• Bucket Cylinder, R & I

7. ELECTRIC PARTS

• Electrical System Schematic Diagram With Heavy Lift
• Electrical System Schematic Diagram With Power Boost
• Monitor System Controller, R & I/Adjustment

8. NAME PLATES & ACCESSORIES

• Capscrew Torques
• Spare Pump, R & I
• INNER PARTS
• Hydraulic Pump Troubleshooting
• Spare Pump, Recon.
• Pilot Pump, Recon.
• Hydraulic Pump, Recon.
• Travel Motor, Recon.
• Travel Motor Reduction Gears, Recon.
• Swing Motor, Recon.
• Swing Motor Troubleshooting
• Swing Reduction Gears, Recon.
• Main Control Valve, Recon.
• Boom Cylinder, Recon.
• Arm Cylinder, Recon.
• Bucket Cylinder, Recon.
• Joystick Control Valve, Recon.
• Travel/Service Valve Control Valve, Recon.
• Rotating Joint, Recon.
• 8 Spool Solenoid Valve Assembly, Recon.