How to Check Electric Hoist Balancer of Gantry Crane
 
Electric hoist is one of the most important devices and spring balancer is one of key parts of electric hoist, which is an accessory appliance used for lifting, putting together, transferring and moving objects with major weight. To check the hoist balancer is a requirement to promise the safety operation.

In general, three tips should be noted as following:

1. The first thing to do is to adjust the worm and make it run counterclockwise when the balancer of electric hoist should be disassembled. Only the spring is in complete loose condition we can begin other steps.

2. Below are safety checks on balancer for one month:
a. Whether fastening pieces are in loosening.
b. Whether lifting hooks have crack or flaw.
c. Whether safety rope is reliable.
d. Whether shells and cone pulley have cracks or be in serious wear.
e. Whether safety devices for electric hoist is in normal operation.

3. Should the gantry crane be in idle for a long time, it has to be prevented against moisture for fear that the springs may be rusted.