Screw jack failure after many people do not know how to check repair, the following screw China Hangzhou Crown airline to teach you some of the more useful tips.

1. Check whether the lifting weight is overloaded. Long-term jacking of overweight goods will increase the carrying load of the screw jack, making the jack failure.

2, from the appearance of the screw jack parts to observe whether there is damage, whether there is crack, rust and other situations, if there is damage in time.

3. Whether the internal mechanism of the screw jack is good, whether the jacking of the sleeve is smooth, whether the internal structure has problems.

4, the hydraulic pressure of the screw jack is sufficient or other parts are damaged.

Screw jack failure should immediately stop the operation, find professionals to check or dismantle the work, do not privately disassemble to avoid damage to its components.