1. Operators must undergo professional training and examination before taking up their posts.

2. Before work, carefully check the main components and devices of the crane to ensure safety before operation. For cranes that have been stopped for a long time or newly installed, they should be tested before use and carefully checked to ensure that they are normal before use.

3, must give a warning before driving, in the process of lifting, it is forbidden to stand under the hanging objects or pedestrians through, homework suddenly power failure, all controllers should be set to zero.

4, the operator must face the crane, and pay attention to observe the hanging objects, found that the emergency should immediately signal to avoid, and stop the operation, emergency treatment.

5, it is forbidden to operate two buttons at the same time, are not allowed to be suspended in the air.