Hyundai R145CR-9 Excavator Service Repair Workshop Manual

Hyundai R145CR-9 Excavator Service Repair Workshop Manual

This is the complete factory service repair workshop manual for the Hyundai R140LC-7A Crawler Excavator. This Hyundai Service Repair 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.

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 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 your vehicle working properly.

Hyundai R145CR-9 Excavator Service Repair Workshop Manual

Service Repair Manual Covers:

SECTION 1 GENERAL

1 Safety Hints

2 Specifications

SECTION 2 STRUCTURE

1 Pump Device

2 Main Control Valve

3 Swing Device

4 Travel Device

5 RCV Lever

6 RCV Pedal

SECTION 3 HYDRAULIC SYSTEM

1 Hydraulic Circuit

2 Main Circuit

3 Pilot Circuit

4 Single Operation

5 Combined Operation

SECTION 4 ELECTRICAL SYSTEM

1 Component Location

2 Electrical Circuit

3 Electrical Component Specification

4 Connectors

SECTION 5 MECHATRONICS SYSTEM

1 Outline

2 Mode selection System

3 Power boost system

4 Travel Speed Control System

5 Automatic Warming Up Function

6 Engine Overheat Prevention Function

7 Anti-Restart System

8 Self-Diagnostic System

9 Engine Control System

10 EPPR (Electro Proportional Pressure Reducing) Valve

11 Prolix Switch

12 Monitoring System

SECTION 6 TROUBLESHOOTING

1 Before troubleshooting

2 Hydraulic and Mechanical System

3 Electrical System

4 Mechatronics System

SECTION 7 MAINTENANCE STANDARD

1 Operational Performance Test

2 Major Components

3 Track and Work Equipment

SECTION 8 DISASSEMBLY AND ASSEMBLY

1 Precaution

2 Tightening Torque

3 Pump Device

4 Main Control Valve

5 Swing Device

6 Travel Device

7 RCV Lever

8 Turning Joint

9 Boom, Arm and Bucket Cylinder

10 Undercarriage

11 Work Equipment

SECTION 9 COMPONENT MOUNTING TORQUE

1 Introduction guide

2 Engine system

3 Electric system

4 Hydraulic system

5 Undercarriage

6 Structure

7 Work equipment

Hyundai R145CR-9 Excavator Service Repair Workshop Manual