1. Suction, Delivery And Return Circuit
2. Safety Solenoid Valve (safety Lever)
4. Travel Speed Control System
5. Main Relief Pressure Change System
6. Arm Regeneration Cut System
7. Swing Parking Brake Release
10. Travel Forward And Reverse Operation
2. Combined Swing And Boom Up Operation
3. Combined Swing And Arm Operation
4. Combined Swing And Bucket Operation
5. Combined Swing And Travel Operation
6. Combined Boom And Travel Operation
7. Combined Arm And Travel Operation
8. Combined Bucket And Travel Operation
4. Head And Work Light Circuit
5. Beacon Lamp And Cab Light Circuit
Group 3 Electrical Component Specification
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