Screw jack is a simple but powerful lifting tool with a maximum lifting capacity of more than 100 tons. However, if the user uses it improperly, accidents may occur in the process of jacking heavy objects with screw jacks. So how should the screw jack be used?

Before using the screw jack, the user needs to estimate the weight of the weight to select the jack of the corresponding tonnage. After selecting the jack, check whether it can be used normally, and then add lubricating oil. When in use, the screw jack shall be placed on a flat ground. If the ground is not flat, it shall be padded under the screw jack with solid and flat wooden board, steel plate, etc. The jack needs to be used vertically under the force point of the heavy object which is strong enough. After the screw jack is placed, the user needs to insert the handle into the rocker hole and shake the handle evenly to lift the weight.

Users need to use screw jacks according to correct operation methods, so as to avoid accidents.