What is the high current of the motor when the crusher runs?
If the motor current is hard, so is the current misfortune, load, uneven feeding.
If the crusher is checked several times before the motor current is high, it should be eccentric;
If the current is high after the switch on, then it should be a mechanical fault, check the bearings, motor bearings are generally not bad, and if the motor time is longer, should also be removed from the load, flexible inspection;