The screw jack belongs to the professional lifting equipment. The small series will be safely used for everyone to explain. The safe operation of the screw jack should pay attention to the following points:

1. Always keep the surface of the machine clean, check the internal structure regularly, make the pinion in the rocker flexible and reliable, and lift the lifting sleeve freely.

2. The friction surface between the lifting sleeve and the housing must be oiled at any time. Other oil filling holes should be lubricated regularly.

3. In order to consider the safety in use, avoid overloading, work with illness, it is not appropriate to use multiple units to avoid danger.