Cause analysis of gear pump suddenly stoppedGear pumps in the course of work, if the sudden stop phenomenon may be these reasons.1, blackouts. At this point we will check the power supply.2 、 motor overload protection. Check the motor at this time.3, coupling damage. Then we have to open the safety cover, barring check.4, export pressure is too high, interlocking reaction. Check the instrument interlock system at this time.5 、 abnormal bite inside pump. This situation should be confirmed in the parking lot after the positive and negative turntable.6, the shaft and the bearing adhesive stuck, barring confirmation.