Hyundai HX235LCRT3 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 function

  7. Engine overheat prevention function

   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 device

   7. RCV lever

   8. Turning joint

   9. Boom, arm, bucket and dozer cylinders

  10. Undercarriage

  11. Work equipment