Barrier Gate User Manual
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2) Put the host on the positions of expansion screws on the refuge island to make the screws
pass through the layers. Keep the layers perpendicular to the barrier gate’s switch.
3) Fasten the expansion nuts on the screws to fix the host.
Figure 2-4 Fix Host
Danger
Keep the supporting bracket of the boom pole vertically upward to avoid accident caused by
accidental rotation.
2.3 Install Boom Pole
2.3.1 Install Octagonal Straight Boom Pole
Steps
1. Unscrew the cap nuts, spring washers, and flat washers on the other sides of the four
assembling bolts. Save the components and parts for the following installations.
Figure 2-5 Unscrew Assembling Bolts
2. Install the chuck to the boom pole with the bolts as shown in the figure below.
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