Hyundai R140W-7A Wheel Excavator Service Repair Manual

Service Repair Manual: 620 pages
Operator’s Manual: 196 pages
Manuals: Service Repair and Operator’s Manual

Table of Contents:-

SECTION 1 GENERAL

Group 1 Safety Hints
Group 2 Specifications

SECTION 2 STRUCTURE AND FUNCTION

Group 1 Pump Device
Group 2 Main Control Valve
Group 3 Swing Device
Group 4 Travel Device
Group 5 RCV Lever
Group 6 Accelerator Pedal
Group 7 Brake Pedal
Group 8 Transmission
Group 9 Travel control valve
Group 10 Steering Valve

SECTION 3 HYDRAULIC SYSTEM

Group 1 Hydraulic Circuit
Group 2 Main Circuit
Group 3 Pilot Circuit
Group 4 Single Operation
Group 5 Combined Operation

SECTION 4 ELECTRICAL SYSTEM

Group 1 Component Location
Group 2 Electrical Circuit
Group 3 Electrical Component Specification
Group 4 Connectors

SECTION 5 MECHATRONICS SYSTEM

Group 1 Outline
Group 2 Mode selection System
Group 3 Automatic Deceleration System
Group 4 Power Boost System
Group 5 Travel Speed Control System
Group 6 Automatic Warming Up Function
Group 7 Engine Overheat Prevention Function
Group 8 Anti-Restart System
Group 9 Self-Diagnostic System
Group 10 Engine Control System
Group 11 EPPR(Electro Proportional Pressure Reducing) Valve
Group 12
Group 13 Monitoring System Fuel warmer System

SECTION 6 TROUBLESHOOTING

Group 1 Before troubleshooting
Group 2 Hydraulic and Mechanical System
Group 3 Electrical System
Group 4 Mechatronics System

SECTION 7 MAINTENANCE STANDARD

Group 1 Operational Performance Test
Group 2 Major Components
Group 3 Work Equipment

SECTION 8 DISASSEMBLY AND ASSEMBLY

Group 1 Precaution
Group 2 Tightening Torque
Group 3 Pump Device
Group 4 Main Control Valve
Group 5 Swing Device
Group 6 Travel Motor
Group 7 Transmission
Group 8 Steering Valve
Group 9 Front Axle and Rear Axle
Group 10 RCV Lever
Group 11 Turning Joint
Group 12 Boom, Arm, Bucket, Dozer and Outrigger Cylinders
Group 13 Work Equipment

SECTION 9 COMPONENT MOUNTING TORQUE

Group 1 Introduction guide
Group 2 Engine system
Group 3 Electric system
Group 4 Hydraulic system
Group 5 Power train system
Group 6 Structure
Group 7 Work equipment