Before the operation of wire rope electric hoist, it is necessary to check whether all parts are normal, and the operator should also have basic conditions. To ensure the technical and safety of operation.

　　1. The operator should have knowledge of mechanical and electrical operations, and be physically healthy.

　　2. Familiar with the structure, performance, safety regulations, and user manual of electric hoists.

　　3. The operator must undergo job training and hold a certificate to work.

　　4. The operator shall prohibit drinking alcohol from the day before operation until the end of the project.

　　5. If any discomfort is found during the operation of the wire rope electric hoist, the power should be immediately cut off. Wait until your body is healthy before continuing to work.

　　One of the following situations should not be operated.

　　1. Overloading or unclear weight of objects, lifting and embedding of objects, inclined pulling, inclined lifting, etc.

　　2. The electric hoist has defects or damages that affect safe operation, such as brake and limit device failure, hook nut anti loosening device damage, and steel wire rope damage reaching the scrapping standard.

　　3. Loose or unbalanced binding and hanging may cause sliding. There is no padding between the edges and corners of the heavy object and the steel wire rope.

　　4. The work site is dim, and it is difficult to see the site and suspended objects clearly. So it is necessary for operators to have the ability to identify the above problems, be able to detect various problems in a timely manner, and prevent the occurrence of potential hazards.