What are the maintenance methods for aluminum alloy Jib crane hooks?

Maintenance method of aluminum alloy Jib crane hook: 1. The surface of the aluminum alloy Jib hook should be clean and free of cracks, sharp corners, burrs, or falling off defects. 2. There shall be no cracks, white spots or inclusions in the aluminum alloy crane hook. 3. Defects on the crane attachment hooks of aluminum alloy cantilever cranes are not welded. 4. The wear of the risk part of the aluminum alloy cantilever hook shall not exceed 10% of the original size. 5. The opening of the hook of the aluminum alloy cantilever crane should meet the relevant regulations. 6. The change and deformation of the aluminum alloy crane hook shall not exceed 10 degrees. 7. The risk section of the aluminum alloy cantilever crane or the hook of the hook must not be plastically deformed. 8. The hook wire of the aluminum alloy cantilever crane hook must not be corroded.