Firstly, make identity records ahead of lifting equipment out of factory. Installation and maintenance of security checks: check equipment efficiency of the main institutions of integrity, inspection, coupling and its major steel pins, bolts visible defects, corrosion circumstance inspection...

A crane can only lift as high a load as its primary wheel allows. This maximum wheel load depends on quite a few aspects. The rated capacity load of course matters, but an influence allowance factor determines its significance. The other aspects would be the weight of the crane all round and the...