BI000970
Operation _______________________________________________________ Control system operating parameters The following parameters affect the operation of the machine as indicated: Breaker underspeed If the pick break sensor does not pick up within ten seconds of the breaker motor starting, the control system will shutdown the breaker motor and a “BREAKER UNDERSPEED ALARM” will be displayed. Breaker motor overload If the breaker motor current exceeds a preset value, the control system will shutdown the machine and the “BREAKER MOTOR OVERLOAD ALARM” will be displayed. Pump motor overload If the pump motor current exceeds a preset value, the control system will shutdown the machine and the “PUMP MOTOR OVERLOAD ALARM” will be displayed. High oil temperature If the hydraulic oil temperature exceeds a preset value, the control system will shutdown the machine and the “HIGH OIL TEMPERATURE ALARM” will be displayed. Low oil level If the hydraulic oil level falls below a preset level for more than three seconds, the control system will shutdown the machine and the “LOW OIL LEVEL ALARM” will be displayed. Emergency stop If the master control relay is opened by activating a panic strip, the pull cord, or the emergency stop on the starter enclosure, the machine will shutdown and the “EMERGENCY STOP ALARM” will be displayed. Big jam shutdown If the machine fails to clear a jam after three attempts (see Conveyor operation in this section), the control system will shutdown the machine and the “BIG JAM SHUTDOWN ALARM” will be displayed. Breaker motor contactor If the auxiliary switch on the breaker motor contactor fails to close within one second of the contactor closing, the control system will shutdown the machine and the “BREAKER MOTOR CONTACTOR ALARM” will display.
_________________________________________________________________ 5.24 Bucyrus – Model 7MFBHM-48DD Feeder Breaker
