Hyundai R55-7A Crawler Excavator Service Repair Workshop Manual access
This manual is suitable for both first-time owners/amateurs and professional technicians. It is designed in an easy-to-read format and provides all the necessary information to perform procedures correctly. Keeping this service manual handy and using it regularly for routine and preventive maintenance can save time and money by preventing premature failure and unnecessary repairs.
Service Manual Contents:
FOREWORD
CONTENTS
SECTION 1 GENERAL
Group 1 Safety Hints
Group 2 Specifications
SECTION 2 STRUCTURE AND FUNCTIONND FUNCTION
Group 1 Pump Device
Group 2 Main Control Valve
Group 3 Swing Device
Group 4 Travel Motor
Group 5 RCV Lever
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 Monitoring System
Group 3 Electrical Circuit
Group 4 Electrical Component Specification
Group 5 Connectors
SECTION 5 TROUBLESHOOTING
Group 1 Before Troubleshooting
Group 2 Hydraulic and Mechanical System
Group 3 Electrical System
SECTION 6 MAINTENANCE STANDARD
Group 1 Operating Performance Test
Group 2 Major Components
Group 3 Track and Work Equipment
SECTION 7 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, Bucket Cylinder
Group 10 Undercarriage
Group 11 Work Equipment
SECTION 8 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:
FOREWORD
SECTION 1 SAFETY HINT
Group 1 Before operating the machine
Group 2 During operating the machine
Group 3 During 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 new machine
Group 2 Check before starting the engine
Group 3 Starting and stop the engine
Group 4 Operation of the working device
Group 5 Traveling of the machine
Group 6 Efficient working method
Group 7 Operation in the special work sites
Group 8 Normal operation of excavator
Group 9 Attachment lowering Pattern
Group 10 Storage
Group 11 RCV lever operating pattern
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
