256HC Mast Section Security operational knowledge of Tower hoist
1. The mounting support of the rotary support(the seat at the bottom of the support gear ring and the seat on the surface of the inner seat ring) must be sufficiently rigid and the installation surface must be flat. Prior to the assembly of rotary support, the support should be destress treated to reduce the deformation of the rotary support. The contact surface of the support and rotary support shall be cleaned during assembly.
2. Should pay attention to the change of noise and the change of rotary resistance moment during use. If there is an abnormal phenomenon, it should be removed.
3. Rotary support must be lifted or stored horizontally. Do not lift or store vertically to avoid deformation.
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