Use explosion-proof chain hoists inspection before

1 explosion-proof  chain block   chain lubrication before using hook method to squeeze into the oil, oil-based lubricants name is calcium; biannual lubrication time.
2, the proof chain hoists lifting parts before checking intact, transmission parts and lifting chain oiled, idling normally.
3, lifting chain surface if worn, scratched traces strictly prohibited.
4, proof chain hoists lifting heavy objects when operating from the ground to try to check the work before it can continue normal operation lifting.
5, explosion-proof chain hoists rise and fall distance must not exceed the height marked to prevent damage to components.
6, Do not use non-manually driven  rope hoist  lifting heavy objects, if not pull movable weight situation, not afterburner.
7, proof chain hoists should check whether other heavy weights have been implicated, the weight is beyond the rated capacity, hoist parts for damage or other abnormal conditions.
8, the operator standing ban on the operation of  manual hoist  lifting weights, weight lifting may not be vacant after leaving the job site