Repeated operation of the crane hoist switch attention

1, set the upper and lower stop position before lifting objects block adjustment.

2, Please confirm before use Hoist equipment brake condition is reliable.

3, prior to use if found bent wire rope electric hoist, deformation, corrosion, fracture extent exceeding the prescribed requirements, wear is greater in the case can not be used.

4, lever hoist motor and control box installation check the insulation resistance.

5, never lifting hoist rated load exceeds the amount of objects.

6, lifting objects prohibited by people, others never will Wire rope hoist as lifting mechanism to lift manned.

7, make sure hoist before using wedges are securely installed and reliable.