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shown in
Figure 4.
2. Pull one end of the steel wire on the winch wheel (component code 12C) through the double pulley to the
single pulley, wrapping the wire around the door beam. Pull the other end of the steel wire directly to the
double pulley, as shown in
Figure 4.
3. Allow both ends of the steel wire, from the single pulley and double pulley, respectively, to go down
through the hole on the door dropping tube to the bottom of the door, as shown in
Figure 4.
4. Tie a knot at the bottom of both sides of the dropping tubes to secure the wires and ensure they do not
pass back.
5. Tie the end of the steel wire to the winch wheel.
6. Erect the cover for the front panel, and tie the cover to the frame using ropes (component code 23), as
shown in
Figure 4.
7. Operate the winch wheel to open and close the door.
Figure 4
Содержание C2020
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