Guangdong lifting equipment in the operation, it is inevitable to encounter crane failure and affect the use of the situation, then the fault maintenance has become a necessary means of disposal. There are three kinds of common faults of Guangdong hoisting equipment rental crane, and the corresponding repair methods are introduced in detail

Common fault problem 

1: the main hook of the crane "can go down but can't go up"

Repair method: in the crane electrical control system, the up and down movement of the crane is controlled by KM1 and km2 contactors respectively. "Unable to go up" indicates that there is something wrong with KM1 contactor. Therefore, it is necessary to check whether KM1 coil is burnt out. If it is determined that it is burnt out, it is necessary to replace and repair it.

Common fault problem .

2: crane brake "failure"

Repair method: there are many cases of brake failure, so it is necessary to check one by one. First, check whether the pin shaft of the brake arm is out of place; second, whether the brake pad or brake shaft of the brake is excessively worn; second, whether the main spring of the brake fails or the elasticity is weakened; thirdly, whether the movable joint of the brake is flexible, and then carry out the corresponding inspection according to the inspection results Repair and improvement.

Common fault problem 3: the operation button on the control handle box of crane is "no action when pressed"

Repair method: you can check whether the control line is short circuited, whether the contactor is invalid, whether the operation button is in contact with failure, whether the limit switch is damaged, and then carry out corresponding repair and disposal according to the inspection results.

The above are three kinds of crane failures often encountered in Guangdong hoisting equipment rental. After years of lifting operation experience, it is proved that as long as the spot inspection, maintenance and lubrication management of hoisting machinery and equipment are strengthened, the sense of responsibility of operators, learning and management are strengthened, and the prevention of common faults is strengthened, the occurrence of faults can be largely avoided.

Article source: Guangdong lifting equipment rental http://www.jmzhongte.com