Hyundai HX800L Crawler Excavator Service Repair Manual

Table of Contents

Safety, Specification and Systems Operation
Track Excavator Maintenance Safety
Safety Instructions
Safety Messages
General
Long Term Storage
Maintenance
Environment and Circumstances
General Specifications
General
Component Locations
Overall Dimensions
Standard Specification
Performance Tests
Preparation for Performance Tests
Operational Performance Standard Table
Operational Performance Test
Engine Specifications
Safety Instructions
Engine Specification
Engine Performance Curves
Tightening Torques
Hydraulic Systems and Structure Specifications
Safety Instructions
Hydraulic System
Swing Mechanism
Travel System
Under Carriage
Structure
General Maintenance Instructions
Safety Instructions
Welding Precautions and Instructions
Hydraulic System – General Precautions
Maintenance Service and Repair Procedure
Hydraulic System Cleanliness and Oil Leaks
Cleaning and Inspection
Standard Torques
Safety Instructions
Torque Values for Standard Metric Fasteners
Torque Values for Standard U.S. Fasteners
Type 8 Phosphate Coated Hardware
Torque Values for Hose Clamps
ORFS Swivel Nut Recommended Torque
Torque Values for Split Flanges
Torque Wrench Extension Tools
Loctite Applications
Engine
Safety Instructions
General Information
Product Information Section
Operation Section
Features and Controls
Engine Diagnostics
Engine Starting
Engine Operation
Engine Stopping
Cold Weather Operation
Maintenance Recommendations
Fuel System
Intake and Exhaust System
Engine Control and Electrical System
After Treatment System
Systems Operation, Description and Inspection
Safety Instructions
General
Main Oil Circuit
Pilot Oil Circuit
Return and Drain Oil Circuit
Main system operation
Pilot System Operation
Components Operation, Description and Inspection
Safety Instructions
Main Pump
Main Control Valve
Swing Device
Fan Pump
Fan Motor
Joystick Valve
Travel Control Valve
Solenoid Valve
EPPR Valve (One or Two Way)
Center Joint
Travel Device
Systems Operation and Description
Safety Instructions
General Schematics
Power Supply
Starting System
Charging System
AVM System
EPOS system
Air Conditioner System
Refrigerant System Repairs
Troubleshooting
Removal and Installation
Engine
Safety Instructions
Before Removing and Installing
ECU (Engine Control Unit)
V-Belt
Alternator
Starter Motor
DEF (adblue ) Heater
Sensors – After Treatment
Engine Assembly
Hydraulic Systems and Structure
Safety Instructions
Before Removing And Installing
Main Pump
Drive Coupling
Undercovers
Hydraulic Oil Tank
Fuel Tank
Swing Device
Fan Pump
Oil Cooler Fan Motor
Joystick Valve (Work Lever)
Travel Control Valve
Center Joint
Travel Device
Main Control Valve
Cabin
Electric and Electronic
Safety Instructions
Before Removing and Installing
Battery Assembly
EPOS Controller
TMS Controller
AVM Controller
Microphone Controller
Smart Key Controller
Wiper Controller
DC-DC Controller
Cabin Photo Sensor
Cabin Switches
Around View Monitor
Display Monitor
Hour Meter
Wiper Motor
Troubleshooting Guide
Wiring Harness Layout
Safety Instructions
Wiring Device
Error Code
Safety Instructions
EPOS Error Code
Engine Error Code
Schematics
Hydraulic Schematic
Electric Schematic

This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.
This manual mainly contains the necessary technical information for operations performed in a service workshop.