or Load: Maximum load can not exceed the rated capacity The load can not exceed the half of the capacity when all tubes used. The extension of the piston can net exceed the stroke. For Safety: Check the level of oil,if it is not sufficient,please add the same hydraulic oil. After using,close the valve with the cover,to keep the oil free from the dust and dirt. Before lifting,adjust the jack slowly to make the load coaxial with resnect to jack. Tube can not be bent,near to the catting tools and fires,also can not put te weight on it.
Easy to assemble, Safe extremely, Easy to use