1. Safe check of the crane hook: Hook should be checked at least once a year.
2. Check the use of fire oil before the crane hook , hook assembly, with 20 times magnifying glass view the risk section, no cracks, plastic deformation, rivet loose and so on.
3. Check the qualified crane hook, car crane crane assembly, the processing surface should be coated with anti-rust oil, crane hook assembly suppliers, non-processing surface should be coated with anti-rust paint, and should be made in the low stress area Easy to wear off the symbols.