s

 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. RCV pedal

   7. Brake pedal (valve)

   8. Gear box

   9. Axle

 HYDRAULIC SYSTEM

    1. Hydraulic circuit

    2. Main circuit

    3. Pilot circuit

    4. Single operation

    5. Combined operation

 ELECTRICAL SYSTEM

    1. Component location

    2. Monitoring system

    3. Electric circuit

    4. Electrical component specification

    5. Connectors

    6. Fault codes

 TROUBLESHOOTING

   1. Before troubleshooting

   2. Hydraulic and mechanical system

   3. Electrical system

   4. Axle

   5. Air conditioner and heater system

 MAINTENANCE STANDARD

   1. Operational performance test

   2. Major component

 DISASSEMBLY AND ASSEMBLY

   1. Precaution

   2. Tightening torque

   3. Pump device

   4. Main control valve

   5. Swing device

   6. Travel motor

   7. Gear box

   8. Steering valve

   9. Axle

  10. RCV Lever

  11. Turning joint

  12. Boom, arm and bucket cylinders

  13. Work equipment