1.Before use, it is necessary to confirm that the machine parts are intact, the transmission parts and the lifting chain are well lubricated, and the idling condition is normal.
2.Before lifting, check whether the upper and lower hooks are securely fastened. The lifting chain should be hung vertically without any twisted links. The lower hook frame of the double-row chain must not be flipped over.
3.When lifting heavy objects, it is strictly prohibited for personnel to perform any work or walk under the heavy objects to avoid major accidents.
