Hyundai R140LC-7 Excavator Service Manual

Hyundai R140LC-7 Excavator Service 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

Hyundai R140LC-7 Excavator Service Repair Workshop Manual

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
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 R 140 LC 7 - Technical Specifications
Operating weight 13,98 t
Engine manuf. Cummins
Engine type B3.9C
Equipment dimensions .l/w/h 7,8x2,6x2,82 m
Engine power 80 kW
Bucket capacity 0,58 m³
Track shoe width 600 mm
Undercarriage LC
Boom MB
Revolutions at max torque -
Reach horizontal -
Dregding depth 5,62 m
Tear-out force 78,5 kN
Bucket width.

Hyundai R140LC-7 Crawler Excavator Service Repair Workshop Manual

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Hyundai R140LC-7 Excavator Service Repair Workshop Manual