Electric hoist control failure, oil spills how do?

   Electric  wire rope hoist  lifting field is the most frequently used small lifting tool that uses various problems arising in the process greatly affect the efficiency, electric hoist for the process of using the following two situations encountered by customers following explanation, for your reference:
       1, the electric hoist can not stop or to the limit position remains Parking: most electric hoist can not stop the main contacts of the contactor is welded, when the  hoist and trolley  is stopped pressing the switch, the contacts of the contactor can not be disconnected, so that the motor as usual operation, the hoist does not stop. If the hoist to the limit stop position remains as stopper failure, this happens, immediately cut off the power, the electric hoist forcibly stop. After stopping, repair contactors or stopper, serious damage can not be repaired and must be replaced in order to work properly.
       2, electric hoist reducer oil spill reason: reducer joint screw not tightened, after the shutdown, you should tighten the screws. Gourd between gearcase and cover, seals defective assembly or failure damaged, repair or replace the seals should be removed, you can prevent the leakage problem.
       With the lifting industry continues to evolve, electric lift hoist  manufacturers after another, resulting in low quality gourd growing in recent years.