Linkbelt 800LX Excavator Service Repair Manual

Table of Contents

1. General Information

• General Information
• Safety
• Standard Torque Data
• Serial Number Information
• Ingredients
• Engine Oil
• Engine Specifications
• Hydraulic System Specifications
• Attachment Specifications
• Sprocket Dimensions and Wear Limits
• Idler Wheel Dimensions
• Upper Roller Dimensions
• Lower Roller Dimensions
• Attachment Dimensions
• Special Torque Settings
• Machine Overall Dimensions

2. Engine

• Engine Removal and Installation
• Radiator/Oil Cooler Removal and Installation

3. Fuel System

• Fuel Tank Removal and Installation

4. Electrical System

• General Location of Components (Outside the Cab)
• Relay and Main Fuses
• General Location of Components (Inside the Cab)
• Fuse Box
• Instrument Panel
• Operating Principles
  • Work Mode Selection
  • H/S/L Mode Checking
  • Auto Mode Checking
  • Anti-Pollution System
  • Acceleration Checking
  • Engine Idle Checking
  • Breaker Mode Checking
  • Automatic Engine Preheat
  • Auto Engine Warm-Up
  • Idle Checking Using Battery Voltage
  • Engine Emergency Stop
  • Back-Up Mode
  • Function Locking
  • Power Boost
  • Swing Brake
  • Free Swing
  • Travel Mode
  • Travel Alarm
  • Supply Cut-Off Delayed
  • Hydraulic Oil Temperature Indicator
  • Fuel Level
  • Engine Fuel Injection Pump
  • Counterweight Removal Circuit
• Access to Monitor Displays
  • Machine History
  • Machine Condition
  • Diagnostic Code
• Warning Messages
• Excavator Model Selection Panel
• Troubleshooting
• Electrical System Troubleshooting
• Electrical Inspection of Components
• Battery Maintenance
  • Maintenance of Battery
  • Inspecting Battery
  • Charging Battery
  • Battery Charging Guide
  • Connecting a Booster Battery
• Computer and Engine Controller Removal and Installation

5. Undercarriage

• Track Sets Removal and Installation
• Lower Roller Removal and Installation
• Upper Roller Removal and Installation
• Checking for Leaks
• Sprocket Removal and Installation
• Idler Wheel and Tension Shock Absorber Removal and Installation

6. Drive Train

• Travel Motor/Reduction Gear Assembly Removal and Installation
• Travel Drive Motor and Reduction Gear Disassembly and Assembly
• Swing Reduction Gear Removal and Installation
• Swing Reduction Gear Disassembly and Assembly

7. Hydraulics

• Releasing Pressure in Hydraulic System
• Bleeding Air from Hydraulic System
• Vacuum Pump
• Cleaning Hydraulic System
• Identification of Hydraulic Components
• Preparation Before Inspection
• Checking and Setting Procedure
• Troubleshooting
• Hydraulic Reservoir Removal and Installation
• Main Hydraulic Pump Removal and Installation
• Pilot Pump Removal and Installation
• Hydraulic Pump Coupling Removal and Installation
• Main Control Valve Removal and Installation
• Boom Cylinder Removal and Installation
• Arm Cylinder Removal and Installation
• Bucket Cylinder Removal and Installation
• Hydraulic Swivel Removal and Installation
• Pilot Function Blocks Removal and Installation
• Swing Motor Removal and Installation
• Free Swing Valve Disassembly and Assembly
• Hydraulic Pump Components
  • Locating the Ports
  • Regulation Control
  • Removing the Controller
  • Removing the Pump
  • Installing the Controller
  • Inspection
  • Installing the Hydraulic Pump
• Control Valve Disassembly and Assembly
• Attachment Cylinders Disassembly and Assembly
• Control Lever Disassembly and Assembly
• Control Pedals Disassembly and Assembly
• Eight Solenoid Valve Bank Disassembly and Assembly
• Cushion Control Valve Disassembly and Assembly
• Boom and Safety Valves Disassembly and Assembly
• Hydraulic Swivel Disassembly and Assembly
• Hydraulic Swing Motor Disassembly and Assembly
• Hydraulic Functions

8. Upper Structure

• Upper Structure Removal and Installation
• Counterweight Removal and Installation
• Bucket Removal and Installation
• Arm Removal and Installation
• Boom Removal and Installation
• Operator’s Seat Removal and Installation
• Safety Belt Removal and Installation
• Cab Removal and Installation
• Heating Block/AC Block Removal and Installation
• Windshield Wiper Motor Removal and Installation
• Attachment Installation
  • Attachment Removal and Installation
  • Connecting Lower Side Frames to Upper Structure
  • Procedure for Mounting Counterweight
  • Operational Testing