| FOREWORD GENERAL Β Β Β 1. Safety hints Β Β Β 2. Specifications Β STRUCTURE AND FUNCTION Β Β Β 1. Pump device Β Β Β 2. Main control valve Β Β Β 3. Swing device Β Β Β 4. Travel device Β Β Β 5. RCV Lever Β Β Β 6. RCV pedal Β HYDRAULIC SYSTEM Β Β Β Β 1. Hydraulic circuit Β Β Β Β 2. Main circuit Β Β Β Β 3. Pilot circuit Β Β Β Β 4. Single operation Β Β Β Β 5. Combined operation Β ELECTRICAL SYSTEM Β Β Β Β 1. Component location Β Β Β Β 2. Electric circuit Β Β Β Β 3. Electrical component specification Β Β Β Β 4. Connectors Β MECHATRONICS SYSTEM Β Β Β 1. Outline Β Β Β 2. Mode selection system Β Β Β 3. Automatic deceleration system Β Β Β 4. Power boost system Β Β Β 5. Travel speed control system Β Β Β 6. Automatic warming up function Β Β 7. Engine overheat prevention function | Β 8. Variable power control system Β Β Β 9. Attachment flow control system Β Β 10. Boom floating control system Β Β 11. Intelligent power control systemΒ Β Β Β 12. Anti-restart system Β Β 13. Self-diagnostic systemΒ Β Β 14. Engine control system Β Β 15. EPPR valve Β Β 16. Monitoring system Β Β 17. Fuel warmer system Β TROUBLESHOOTING Β Β Β 1. Before troubleshooting Β Β Β 2. Hydraulic and mechanical system Β Β Β 3. Electrical system Β Β Β 4. Mechatronics system Β MAINTENANCE STANDARD Β Β Β 1. Operational performance test Β Β Β 2. Major components Β Β Β 3. Track and work equipment DISASSEMBLY AND ASSEMBLY Β Β Β 1. Precaution Β Β Β 2. Tightening torque Β Β Β 3. Pump device Β Β Β 4. Main control valver Β Β Β 5. Swing device Β Β Β 6. Travel device Β Β Β 7. RCV lever Β Β Β 8. Turning joint Β Β Β 9. Boom, arm, bucket and dozer cylinders Β Β 10. Undercarriage Β Β 11. Work equipment |