Technical Workshop Guide: Hyundai R140LC-7 Excavator Service Manual
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the Hyundai series provides OEM specifications, torque settings, and assembly instructions.
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- Model Focus: High-resolution data for Hyundai R140LC-7 Excavator Service Manual.
What's inside this Hyundai manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
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
- 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 7,8×2,6×2,82 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 Crawler Excavator Service Repair Workshop Manual
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