1. First place the four bases at a rough position on the ground and adjust the lower legs so that they are on a horizontal plane;
2. Insert the bottom part of the diagonal support on the outside of the base on the four corners, insert 2 on each corner, a total of 8;
3. Fix the reverse head on the base with screws, and pay attention to the direction of rotation of the reverse head as shown in the figure;
4. Put a square set on the reverse head;
5. Connect the beam on the ground;
6. Connect the two ends of the beam to the two square sleeves on both sides, and then the beam is assembled on the ground;
7. Lay the column truss flat and connect it, and then screw one end to the opposite head, and the other end to the crossarm, and at the same time link the hanging hoist and the crossarm, the role of the hoist is to lift the lower beam truss ;
8. Multiple people slowly erect the column truss together, taking care not to push the column with too much force, and then fix the screws on the reverse head;
9. After the upright is erected, hook the hook below the hoist to the lower beam through the sling;
10. 4 people slowly pull the hoist together to pull the beam to the left and right of the person's head;
11. Install lighting and sound equipment on the beam;
12. 4 people together pull the hoist to the predetermined height to stop;
13. Tighten one end of the diagonal support and the column, and the other end to the horizontal support of the base, so that the aluminum alloy frame is completed.
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