FOREWORD

 GENERAL

   1. Safety hints

   2. Specifications

 STRUCTURE AND FUNCTION

   1. Pump device

   2. Main control valve

   3. Swing device

   4. Travel device (type 1&2)

   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

   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 (type 1&2)

   7. RCV lever

   8. Turning joint

   9. Boom, arm and bucket cylinder

 10. Undercarriage

 11. Work equipment