Hyundai HX300HD Heavy Crawler Excavator SERVICE MANUAL

 GENERAL

   1. Safety hints

   2. Specifications

 STRUCTURE AND FUNCTION

   1. Pump device

   2. Main control valve

   3. Swing device

   4. Travel device

   5. RCV Lever

   6. RCV pedal

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 system

    8. Variable power control system

9. Attachment flow control system

  10. Intelligent power control system

  11. Anti-restart system  

  12. Self-diagnostic system 

  13. Engine control system

  14. EPPR valve

  15. Monitoring system

  16. 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 device

   7. RCV lever

   8. Turning joint

   9. Boom, arm and bucket cylinder

  10. Undercarriage

  11. Work equipment