When operating, the weight should be slightly raised a bit, careful inspection without exception, and then continue lifting heavy objects. If it is found that the backing plate is not smooth and unstable or the jack is deflected, the jack and Panasonic must be handled in time before they can continue to rise up. In the lifting process, should be with the weight increasing in time under the pillow bedding insurance rack, to prevent jack tilted or back caused by accidents caused by the sudden drop of piston. When transferring heavy objects, the sleepers should be pulled out gradually, and the distance between the sleepers and the heavy weights should not exceed the thickness of a piece of sleeper, in case of accidents. The Hydraulic Jack needs to release, only slightly oil return valve, which can slow decentralization, suddenly dropped, so as not to damage the skin inside the bowl caused damage of jack. Rack Jack release, not suddenly down, such as a sudden down will make the internal device by the impact force and the crank beating.
