Description
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
Group 1 Safety Hints
Group 2 Specifications
SECTION 2
STRUCTURED FUNCTION
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
SECTION 4
ELECTRICAL SYSTEM
Group 1 Component Location
Group 2 Electrical Circuit
Group 3 Electrical Component Specification
Group 4 Connectors
SECTION 5
MECHATRONICS SYSTEM
Group 1 Outline
Group 2 Mode selection System
Group 3 Automatic Deceleration System
Group 4 Power Boost System
Group 5 Travel Speed Control System
Group 6 Automatic Warming Up Function
Group 7 Engine Overheat Prevention Function
Group 8 Anti-Restart System
Group 9 Self-Diagnostic System
Group 10 Engine Control System
Group 11 EPPR(Electro Proportional Pressure Reducing) Valve
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
Operating Manual Contents:
Searchable Content Table
FOREWORD
SECTION 1 SAFETY HINT
Group 1 Before operating the machine
Group 2 During operating the machine
Group 3 During the maintenance
Group 4 Parking
SECTION 2 SPECIFICATIONS
Group 1 Major components
Group 2 Specifications
Group 3 Working range
Group 4 Weight
Group 5 Lifting capacities
Group 6 Bucket selection guide
Group 7 Undercarriage
Group 8 Specification for major components
Group 9 Recommended oils
SECTION 3 CONTROL DEVICE
Group 1 Cab device
Group 2 Cluster
Group 3 Switches
Group 4 Levers and pedals
Group 5 Air conditioner and heater
Group 6 Others
SECTION 4 OPERATION
Group 1 Suggestion for a new machine
Group 2 Check before starting the engine
Group 3 Starting and stopping the engine
Group 4 Mode selection system
Group 5 Operation of the working device
Group 6 Traveling of the machine
Group 7 Efficient working method
Group 8 Operation in the special work sites
Group 9 Normal operation of the excavator
Group 10 Attachment lowering Pattern
Group 11 Storage
Group 12 RCV lever operating pattern
Group 13 Switching Hydraulic attachment circuit
SECTION 5 TRANSPORTATION
Group 1 Preparation for transportation
Group 2 Dimension and weight
Group 3 Loading the machine
Group 4 Fixing the machine
Group 5 Loading and unloading by crane
SECTION 6 MAINTENANCE
Group 1 Instructions
Group 2 Tightening torque
Group 3 Specification of fuel, coolant, and lubricants
Group 4 Maintenance checklist
Group 5 Maintenance chart
Group 6 Service instruction
Group 7 Electrical system
Group 8 Air conditioner and heater
SECTION 7 TROUBLESHOOTING GUIDE
Group 1 Engine
Group 2 Electrical system
Group 3 Others
SECTION 8 HYDRAULIC BREAKER
Group 1 Selecting hydraulic breaker
Group 2 Circuit configuration
Group 3 Maintenance
Group 4 Precaution while operating the breaker
Group 5 Quick clamp.
Hyundai R250LC-7A Crawler Excavator Service Repair Manual