Hyundai R140LC-7 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
Hyundai R140LC-7 Excavator Service Repair Workshop Manual
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 R 140 LC 7 – Technical Specifications
Operating weight 13,98 t
Engine manuf. Cummins
Engine type B3.9C
Equipment dimensions .l/w/h 7,8×2,6×2,82 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 Excavator Service Repair Workshop Manual