✔️ Concentration, mutual cooperation and special attention to instructions. Climbing operations should be carried out with professional instructions. The power source and hydraulic system must be used by the designated person. Holder, connecting screws, pins and other components should be checked and cracked parts should be replaced in time. Lubrication status of gears, rotating parts, etc. It should be checked regularly.

✔️ Make sure the cable is insulated because the operation of the power switch is sensitive.

✔️ When several tower cranes are working on site, the difference in height of the tower cranes should be according to instruction and not less than the specified value. It is forbidden to raise the mast at night.

✔️ After raising the mast, check that the electricity is off. The left and right rudders should return to the middle position. The screws must be strong in every part.

✔️ There must be suitable facilities on the ground for the tower crane. Only relevant workers are allowed to stay at the installation site. Work is not permitted when the wind is stronger than a certain limit. be equipped with fire fighting equipment.

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