Hyundai HW140 Wheel Excavator Service Manual
TABLE OF CONTENTS:
Hyundai HW140 Wheel Excavator Service Manual
FOREWORD
GENERAL 1. Safety hints 2. Specifications
STRUCTURE AND FUNCTION 1. Pump device 2. Main control valve 3. Swing device 4. Travel motor 5. RCV Lever 6. Accelerator pedal 7. Brake pedal (Valve) 8. Transmission 9. Travel control valve 10. Steering valve 11. Front Axle and rear axle
HYDRAULIC SYSTEM 1. Hydraulic circuit 2. Main circuit 3. Pilot circuit 4. Single operation 5. Combined operation
ELECTRICAL SYSTEM 1. Component location 2. Electric circuit 3. Electrical component specification 4. Connectors
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. Variable power control system 9. Attachment flow control system 10. Boom floating control system
| 11. Intelligent power control system 12. Anti-restart system 13. Self-diagnostic system 14. Engine control system 15. EPPR valve 16. Monitoring system 17. Fuel warmer system
TROUBLESHOOTING 1. Before troubleshooting 2. Hydraulic and mechanical system 3. Electrical system 4. Mechatronics system
MAINTENANCE STANDARD 1. Operational performance test 2. Major components 3. Track and work equipment
DISASSEMBLY AND ASSEMBLY 1. Precaution 2. Tightening torque 3. Pump device 4. Main control valve 5. Swing device 6. Travel motor 7. Transmission 8. Steering valve 9. Front axle 10. RCV Alxe 11. RCV Lever 12. Turning joint 13. Boom, arm, bucket, dozer and outrigger cylinders 14. Work equipment
COMPONENT MOUNTING TORQUE 1. Introduction guide 2. Engine system 3. Electric system 4. Hydraulic system 5. Power train system 6. Structure 7. Work equipment
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DESCRIPTION:
Hyundai HW140 Wheel Excavator Service Manual
1. STRUCTURE
This 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 by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This service manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following sections.
SECTION 1 GENERAL:
This section explains the safety hints and gives the specification of the machine and major components.
SECTION 2 STRUCTURE AND FUNCTION:
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.
SECTION 3 HYDRAULIC SYSTEM:
This section explains the hydraulic circuit, single and combined operation.
SECTION 4 ELECTRICAL SYSTEM:
This section explains the electrical circuit, monitoring system and each component. It serves not only to give an understanding electrical system, but also serves as reference material for trouble shooting.
SECTION 5 MECHATRONICS SYSTEM:
This section explains the computer aided power optimization system and each component.
SECTION 6 TROUBLESHOOTING:
This section explains the troubleshooting charts correlating problems to causes.
SECTION 7 MAINTENANCE STANDARD:
This section gives the judgement standards when inspecting disassembled parts.
SECTION 8 DISASSEMBLY AND ASSEMBLY:
This section explains the order to be followed when removing, installing, disassembling or assembling
each component, as well as precautions to be taken for these operations.
SECTION 9 COMPONENT MOUNTING TORQUE:
- This section shows bolt specifications and standard torque values needed when mounting components to the machine.
- The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your HYUNDAI distributor for the latest information
VIDEO PREVIEW OF THE MANUAL:
IMAGES PREVIEW OF THE MANUAL:
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