Hyundai R140LC-7A Excavator Service Repair Workshop Manual

Hyundai R140LC-7A Excavator Service Repair Workshop Manual

This is the complete factory service repair workshop manual for the Hyundai R140LC-7A Excavator.This Service Manual has easy-to-read text sections with top quality diagrams and instructions.

They are specifically written for the do-it-yourselfer as well as the experienced mechanic.With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using.

Hyundai R140LC-7A Crawler Excavator Service Repair Workshop Manual covers every single detail on your machine.provides step-by-step instructions based on the complete disassembly of the machine.This repair manual is an inexpensive way to keep you vehicle working properly. Hyundai R140LC-7A Excavator Service Repair Workshop Manual

Hyundai R140LC-7A Excavator Service Repair Workshop Manual

Service Repair Manual Covers:

SECTION 1 GENERAL
Group 1 Safety Hints
Group 2 Specifications

SECTION 2 STRUCTURE
Group 1 Pump Device
Group 2 Main Control Valve
Group 3 Swing Device
Group 4 Travel Device
Group 5 RCV Lever
Group 6 RCV Pedal

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 MECHATROMICS SYSTEM
Group 1 Outline
Group 2 Mode selection System
Group 3 Power boost system
Group 4 Travel Speed Control System
Group 5 Automatic Warming Up Function
Group 6 Engine Overheat Prevention Function
Group 7 Anti-Restart System
Group 8 Self-Diagnostic System
Group 9 Engine Control System
Group 10 EPPR (Electro Proportional Pressure Reducing) Valve
Group 11 Prolix Switch
Group 12 Monitoring 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 Track and 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 Device
Group 7 RCV Lever
Group 8 Turning Joint
Group 9 Boom, Arm and Bucket Cylinder
Group 10 Undercarriage
Group 11 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 Undercarriage
Group 6 Structure
Group 7 Work equipment

Hyundai R140LC-7A Excavator Service Repair Workshop Manual