L46A1 Mast Section Tower Crane Inspection Points: Metal Structure Inspection, electrical components inspection
Metal Structure Inspection Points: Inspection of metal structure, especially high strength bolts, the connection surfaces shall be free of dust, paint, spoilage and rust, and shall be tightened according to the technical requirements of the assembly using a torque hand or a special wrench. Check the transmission system of each mechanism, including the working transmission mechanism of the bearing clearance is appropriate, gear meshing is good and whether the brake is sensitive.
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Check the wear condition of wire rope and Pulley, fix it reliably. Electrical components inspection points: check whether the electrical components are good, the contact point of the degree of closure, whether the connection is correct and reliable. Check the running wheel and track contact is good, whether the rail clamp is reliable. The price of the tower crane is whether the connecting bolts and clamps are firm and reliable when the attachment device and the inner climbing device are installed. Whether the lightning-proof grounding is safe and reliable. Is the base of the drain clear. Whether the limit device is complete, sensitive and reliable.
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