L68B3 Mast Section Attention to lifting tower
1. Before the top lifting operation, relax the cable in advance, its length is greater than the top lifting height, and tighten the cable reel, and tighten the cable in due course when falling.
2. Before the top lifting and descending tower operations, the hydraulic system, the top lifting frame structure, and the guide wheel must be inspected by the designated person. After the top lifting foot is in place, the safety pin should be inserted to meet the state of supporting the safety inspection of the top lifting foot.
3. It is necessary to adjust the gap between the hoist roller and the standard section of the tower body, and should make the lifting arm in equilibrium according to regulations, and brake the rotating mechanism when it is difficult to remove the last link bolt between the turntable and the standard section of the tower body. Its diagonal bolts should be re-inserted and other measures taken. Do not loosen the bolt by rotating the arm.
4. In the process of ascending and descending the tower, it is forbidden to turn and lift. In addition to adjusting the balance, it is forbidden to change the amplitude.
5. After lifting and lifting, the connecting bolts should be tightened according to regulations, the hydraulic joystick should be returned to the middle position, and the power supply of the hydraulic lifting mechanism should be cut off.
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