1. Before the boom works, check whether the pulley block magnification is appropriate, the counterweight status and the function of the brake device. The pulley block after the magnification change must keep the hook rotation axis vertical to the ground.
2、 Huai'an equipment displacement Remind everyone that the weight of the lifted object shall not exceed the lifting weight allowed by the crane. When lifting heavy objects, lift them off the ground 10-500px, and then check the braking, lifting rigging, outrigger status and the stability of the whole machine. If any abnormality is found, put down the lifted object. Carefully check and judge that there is no danger before lifting. The lifting operation should be stable, Do not shock the machine.
3. In the process of boom lifting, if you feel that the crane is overturning or there are other dangers, you should immediately drop the lifted object on the ground.
4. Pay attention to the lifting height of the hook, and be sure to keep a certain distance from the boom head.
5. When the empty hook falls, gravity can be used to improve the work efficiency, but it must be used in conjunction with the brake (this function is only limited to cranes with high and low speed).
6. When the weight falls, it should slow down and stop gradually (if the foot brake is used, the brake must be used). Emergency stop may damage the boom, luffing oil cylinder and winch, or even cause accidents.
7. When the hoisted object falls at a low position, pay attention that the rope on the drum shall not be less than 3 circles of safety ring.
8、 Huai'an Crane Rental Company The working condition of the crane and the excess weight allowed to be lifted should be clearly known, and the weight of the lifted object should also be understood. When the lifting weight is unknown, but it is considered that the critical weight of the crane working condition, the trial lifting should be carried out, that is, the load should be lifted slightly first, the stability of the crane should be checked, and the lifting can be carried out only after the safety is confirmed.
