256HC Mast Section SIC REQUIREMENTS FOR TOWER CRANE INSTALLATION: Safety Inspection on entrance, points for attention in installation
1. Check the sling, Hammer and safety belt before operation.
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2. Check the hydraulic lifting mechanism. The oil path should not be seeped, the air should be exhausted. 3, check the tower crane metal components without distortion, corrosion, welding seam does not crack. 4, check the tower crane parts, protective devices, working institutions should be complete. 3, tower crane installation should pay attention to 1, in the transport process, the tower crane components should be tied firmly. 2. The electrician should complete the work according to the electrical specification, and pay attention to the safety work. 3, all limit safety devices, according to the regulation of one by one debugging qualified. 5, hoisting, set a special command, clear signal, crane in the load range of operations, no overload operations. 5. When assembling each component, pay attention to the connecting bolt, the pin is fixed firmly, and the tail pin is put on according to the regulation. 6, adjust the transmission, brake device, the main hoist at full speed back to zero, the hook full load state slip not more than 2cm. Kill. Strictly follow the operating procedures for the operation, before the operation shall not be drunk, the operation shall not roughhouse. 8. When working on the tower crane, pay attention to the missing step, do not drop objects to the ground, do not throw parts, tools, etc. in the air. 9, work within the radius, not to enter the unrelated personnel. 10. Wear all chucks when winding trolley and main hoisting wire rope, pin shaft is installed firmly, chucks are in correct direction, and quantity is complete.
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