1, the appropriate lifting tools must be selected according to the weight and geometric dimensions of the lifting objects.
2. Wire rope shall not be used for any of the following circumstances:
A. broken strand or using broken wire increased.
B. The phenomenon of twisting dead knot, dead bending, flattening, obvious strand loosening, wave shape, steel wire flying out, core extrusion and strand breakage etc.
C.The diameter of wire rope decreased by 7% to 10%.
D. Equipment hoisting wire rope surface steel wire wear or corrosion degree, to the surface diameter of more than 40%, or wire rope corrosion, surface pitting can be clear See, the whole wire rope is obviously hardened.
3. The new certificate should be inspected before using the newly purchased rigging.