Troubleshooting and Diagnostics rope hoist

After the starter rope hoists , motor does not turn , can not lift heavy objects reasons
( 1 ) excessive overload
( 2 ) lower voltage than liftech winch hoist the rated voltage of more than 10%
( 3 ) The motor is faulty, broken wire or poor contact
( 4 ) the rear brake wheel and cover rust killed , brake wheel tied up
( 5 ) Motor sweep chamber
Workaround
( 1 ) does not allow overloading
( 2), the voltage returns to normal
( 3 ) Maintenance of electrical and wiring
( 4 ) Remove the brake wheel , cleaning corroded surfaces
( 5 ) the occurrence sweep chamber is mainly due to severe wear on the motor shaft support ring , rotor core axial displacement or displacement of the stator core , need to be removed liftech winch snatch block to replace the support ring , so that there is a uniform gap between the stator and rotor cone, each side is 0.35-0.55 mm wire rope hoist manufacturer or return repaired