Hyundai R140LC-7A Excavator Service Repair Manual
Hyundai R140LC-7A Crawler Excavator Service 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 Manual
Tabla of Contants
- 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 MECHATROMICS 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
