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 valve

    8. Transmission

    9. Travle 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. Electrical 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

    7. Engine overheat prevention system

    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

    5. Air conditioner & heater 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. Rear axle

  11. RCV lever

  12. Turning joint

  13. Boom, arm and bucket cylinder

  14. Work equipment