Wire rope hoist unused for long periods, poor maintenance, the brake wheel and cover rust , starting off the brake wheel is not open, the motor only issued a "hum" sound, turn it up, lift hoist does not work. At this time, you should remove the brake wheel, cleaning corroded surfaces, and then re-test; serious motor sweep chamber, but also make the motor does not rotate, found this situation, you should stop using the motor must be overhauled or replaced in order to ensure the normal hoist work. In addition, the production of non-overloading using Wire rope hoist, when the goods are excessively overloaded, rope hoist crane does not move goods, the motor will only issue a "hum" sound, rather than running, and in severe burning motor, or even cause an accident, then should immediately stop reduce the cargo, the gourd work at rated power.
Posted on: Wed, 24 Jul 2013 08:30:56 +0000
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