Manual hoist, also known as Fairy gourd, jin not fall, chain hoists, is a simple to use, easy to carry manual lifting machinery, also known as "chain hoist" or "chain." It is suitable for short haul with small equipment and goods, lifting weight is generally not more than 10t. Chain hoist has the advantages of compact structure, small hand pulling force.
Check whether the hanging hook is up and down before lifting. Do not hang heavy objects at the wrong end. Lifting chain should be suspended vertically, there must be no wrong twisting chain, double chain under the hook frame shall not flip.
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The operator should stand in the same plane with the bracelet drag the bracelet, so that the bracelet wheel clockwise rotation, you can make the weight rise; reverse drag the bracelet, the weight can be slowly decreased.