1. Establish a system to strictly enforce the system of who will cut off the power and who will deliver it

2. Before maintenance, the 101 belt must stop running and it is strictly prohibited to repair the belt while it is in operation

3. Before maintenance, the iron on the iron remover should be cleaned thoroughly, and the surrounding impurities should be cleaned thoroughly

4. During high-altitude maintenance, maintenance personnel must use safety ropes, seat belts, etc

5. Before maintenance, maintenance personnel must understand the working principle of the equipment and the performance of the components inspected by the iron remover, and be prepared with the necessary tools for maintenance