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　　Hook group is an important accessories for lifting machinery. Its function is to lift various items, so the hook group needs to be maintained and inspected frequently. What I want to introduce today is the relevant knowledge mainly about the maintenance of the hook group.

　　Relevant knowledge of the maintenance and maintenance of the hook group:

　　1. The rotation state of the hook should be rotated regularly by hand. If normal, it should be light and flexible;

　　2. Anti-decoupling device, manual inspection should be used to ensure the reliability of the device;

　　3. The pulley should have a protective cover, and there should be no abnormal sound when rotating;

　　4. Bolts and pins should be inspected regularly, stable and firm, without loosening and falling off;

　　5. Dangerous section wear, the equipment should be inspected once every six months, and the inspection should not exceed 10% of the original size;

　　6. Cracked should be damaged once every six months;

　　7. The hook opening degree should be checked in time and should not exceed 5% of the original size;

　　8. Remove the nut during thread inspection to check for cracks;

　　9. Bearings and bearings must not have cracks or severe wear, and should be inspected regularly in a short period of time.

　　Hook group is an important accessories for lifting machinery. Its function is to lift various items, so the hook group needs to be maintained and inspected frequently. What I want to introduce today is the relevant knowledge mainly about the maintenance of the hook group.

　　Relevant knowledge of the maintenance and maintenance of the hook group:

　　1. The rotation state of the hook should be rotated regularly by hand. If normal, it should be light and flexible;

　　2. Anti-decoupling device, manual inspection should be used to ensure the reliability of the device;

　　3. The pulley should have a protective cover, and there should be no abnormal sound when rotating;

　　4. Bolts and pins should be inspected regularly, stable and firm, without loosening and falling off;

　　5. Dangerous section wear, the equipment should be inspected once every six months, and the inspection should not exceed 10% of the original size;

　　6. Cracked should be damaged once every six months;

　　7. The hook opening degree should be checked in time and should not exceed 5% of the original size;

　　8. Remove the nut during thread inspection to check for cracks;

　　9. Bearings and bearings must not have cracks or severe wear, and should be inspected regularly in a short period of time.