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Precautions for crane in use( Next part)

12. When the brake of the lifting mechanism suddenly fails in the work, it should be calm and calm to deal with it. If necessary, the controller should be played in low speed to do slow and repeated lifting action, while starting the big car and car, and choosing a safe area to put down the heavy objects.

13. Continuous working crane, each shift should have 15~20 minutes cleaning and inspection time.

14. Lift liquid metal, harmful liquid or important items, no matter how much quality, must be lifted off the ground 200~300mm, verify that the brake is reliable and then formally lift.

15. Lifting heavy objects buried in the ground or frozen on other objects is prohibited. It is forbidden to tow trailers with spreader.

16. It is forbidden to load and unload materials in a vehicle or cabin with lifting gear (lifting electromagnet) and manpower at the same time.

18. When two cranes transport the same object, the weight shall not exceed 85% of the combined lifting weight of the two cranes, and ensure that each crane is not overloaded.

19. When the crane is working, no one is allowed to stay on the crane, trolley or crane track.

21. The heavy objects shall run on the safe passage.

22. When running on the line without obstacles, the bottom surface of the spreader or heavy object must be raised 2m above the working face.

23. When obstacles need to be crossed on the running line, the bottom surface of the spreader or heavy object should be lifted to be more than 0.5m higher than the obstacle.

24. When the crane is operating without load, the hook must be raised above the height of one person.

25. It is forbidden to lift heavy objects over people’s heads or to work under heavy objects.

26. It is forbidden to transport or lift personnel using crane spreader.

27. It is forbidden to store inflammable (such as kerosene, gasoline, etc.) and explosive items on the crane.

28. Do not throw anything from the crane to the ground.

29. Under normal circumstances, limit switches are not allowed to be used for parking purposes.

30. Do not open the switch and junction box before cutting off. It is forbidden to interrupt normal operation by using emergency stop device.


Post time: Sep-26-2022