During the operation, the lifting point must be confirmed according to the weight, volume and shape of the lifting object, and appropriate lifting slings must be selected. When using the snap ring, it is forbidden to force the snap ring laterally. Before lifting, check whether the closing pin is tightened. The snap ring with cracks and deformation shall not be used. It is forbidden to repair the snap ring by welding.

Select slings of appropriate length that have sufficient capacity and can meet the use mode. If multiple slings are used for lifting load at the same time, the same type of slings must be selected; The raw materials of flat slings shall not be affected by the environment or load. Whether accessories or soft lifting lugs are required, it must be carefully considered that the end of the sling is matched with the auxiliary accessories and lifting equipment.