Hyundai R250LC-7A Crawler Excavator Service Repair Manual
This collection contains the following products:
1. Hyundai Crawler Excavator R250Lc-7A Service Manual
2. Hyundai Crawler Excavator R250Lc-7A Operating Manual
Details Products
1. Hyundai Crawler Excavator R250Lc-7A Service Manual
The HYUNDAI CRAWLER EXCAVATOR R250LC-7A service manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and showing him the correct way to perform repairs and make judgments.
This HYUNDAI CRAWLER EXCAVATOR R250LC-7A service manual mainly contents the necessary technical information for operation performed in a service workshop.
2. Hyundai Crawler Excavator R250Lc-7A Operating Manual
This HYUNDAI CRAWLER EXCAVATOR R250LC-7A operating manual contains a number of instructions and safety recommendations regarding driving, handing, lubrication, maintenance, inspection, and adjustment of the equipment.
The HYUNDAI CRAWLER EXCAVATOR R250LC-7A operating manual is to promote safety maintenance and enhance machine performance.
Searchable Content Table
SECTION 1
GENERAL
1 Safety Hints
2 Specifications
SECTION 2
STRUCTURED FUNCTION
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 Automatic Deceleration System
4 Power Boost System
5 Travel Speed Control System
6 Automatic Warming Up Function
7 Engine Overheat Prevention Function
8 Anti-Restart System
9 Self-Diagnostic System
10 Engine Control System
11 EPPR(Electro Proportional Pressure Reducing) Valve
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
Operating Manual Contents:
Searchable Content Table
FOREWORD
SECTION 1 SAFETY HINT
1 Before operating the machine
2 During operating the machine
3 During the maintenance
4 Parking
SECTION 2 SPECIFICATIONS
1 Major components
2 Specifications
3 Working range
4 Weight
5 Lifting capacities
6 Bucket selection guide
7 Undercarriage
8 Specification for major components
9 Recommended oils
SECTION 3 CONTROL DEVICE
1 Cab device
2 Cluster
3 Switches
4 Levers and pedals
5 Air conditioner and heater
6 Others
SECTION 4 OPERATION
1 Suggestion for a new machine
2 Check before starting the engine
3 Starting and stopping the engine
4 Mode selection system
5 Operation of the working device
6 Traveling of the machine
7 Efficient working method
8 Operation in the special work sites
9 Normal operation of the excavator
10 Attachment lowering Pattern
11 Storage
12 RCV lever operating pattern
13 Switching Hydraulic attachment circuit
SECTION 5 TRANSPORTATION
1 Preparation for transportation
2 Dimension and weight
3 Loading the machine
4 Fixing the machine
5 Loading and unloading by crane
SECTION 6 MAINTENANCE
1 Instructions
2 Tightening torque
3 Specification of fuel, coolant, and lubricants
4 Maintenance checklist
5 Maintenance chart
6 Service instruction
7 Electrical system
8 Air conditioner and heater
SECTION 7 TROUBLESHOOTING GUIDE
1 Engine
2 Electrical system
3 Others
SECTION 8 HYDRAULIC BREAKER
1 Selecting hydraulic breaker
2 Circuit configuration
3 Maintenance
4 Precaution while operating the breaker
5 Quick clamp.
Hyundai R250LC-7A Crawler Excavator Service Repair Manual