1. The crane should be operated by professional trained full-time drivers;

In the operation in the case of six or more than the wind or thunderstorm days should immediately stop the operation, lock the clamping rail, loosen the brake of the rotary mechanism, lifting arm can swing with the wind; In case of high wind warning above grade 8, the wind rope should be fixed with the ground or building.

The crane must have reliable grounding, all electrical equipment shell should be properly connected with the body;

(4) after the crane is installed, it is necessary to re-adjust all kinds of safety protection devices and limit switches;

(5) the crane must not have obstacles or sink in the running track, the end of the track at 1m must be set with limit device impact bar and car block;

6. The crane must be lifted strictly according to the rated lifting weight, not overload, not allowed to lift personnel, heavy objects, pull out the underground buried;

7. Adequate lighting for night operations;

After today's work, the crane should open to the middle of the track park, disconnect the switch, cut off the general power supply, open the indicator light in the sky.