1. Do not use the hook at the end of the hook to hang into a safe tongue to safety.

2. It is strictly forbidden to use overload.

3. Do not operate when the chain is irregular and when knotting.

4. It is strictly forbidden to pull the diagonal crane.

5. It is strictly forbidden to carry people.

6. During operation, it is strictly forbidden to walk or move forward under the hanging objects and the above population.

7. Do not hang fixed objects in the ground.

8. Avoid supporting operations.

9. Do not use a chain ring to hang the goods.

10. Do not operate when the chain is irregular.

11. It is strictly forbidden to look at other directions during operation.

12. Do not let the ring chain electric gourd expose to outdoor rain, so as not to affect the long -lasting of the host. If you need to be installed outdoors, please use canvas or plastic lids above the host or set up a canopy to prevent the host from rain. Essence

13. Lubrication of the gear box of the ring chain gourd host: After 800 hours of use, please replace the oil, and then check it every three months.