2, prohibit oblique pulling and flat pulling. When lifting, it is strictly forbidden to walk or stay under or near the heavy objects

3, during the work, if the gourds do not rotate or have abnormal noise, they should stop immediately and then unload the inspection.

4, frequent use, refueling once a week, intermittent use, refueling once a month.

5, strictly prohibit collision, beating up hoist, storage should be dry and ventilated.

6. The maintenance of this product should be carried out by professional personnel. It should be operated under the guidance of professional personnel with certain mechanical and electrical knowledge. We should read the product instructions carefully before use.

7, must check whether the power supply meets the requirements before use, and operate according to the electrician standard, and check correctly and correctly.

8, the motor work mode is S4 (intermittent), when used, the motor should be prevented from burning for too long continuous working time or frequent braking times, ensuring that the motor's continuous running rate must not exceed 40% during each work, and the braking frequency should not be more than 4 times per minute.

9, before use, must check whether the brake is reliable, regularly check whether the parts are normal, there should be no loose, oil leakage and so on.

10, test run to check whether the sprocket and chain are meshed properly, and no stacking chain is allowed.

11. In the process of lifting and running, the chain is observed at any time; when the chain is collected and placed, it is not allowed to exceed the limit position; the lifting chain is not allowed to hang on other objects so as to avoid the overload.

12. This product can not be disassembled at will. If you need to change the chain or remove the maintenance, it must be directed by professional staff.

13. When the product is used at the same time in the group, the special electric control cabinet produced by the company must be configured so as not to affect the synchronism of its speed, and it is designed, installed and operated by the special person. The lifting should be carried out, the test operation should be empty, the connection parts, the lifting chain, the hook and so on are checked or not, and the length of the lifting chain should be adjusted before the lifting, so that the tensioning degree of the lifting chain of each product is consistent. During the promotion, the special person should observe each product, check whether to touch with other objects, whether there is abnormal sound or chain chain, it is found that abnormality should be stopped immediately and can be used until the trouble is excluded.