Isis Installation Guide - Big Ass Fans
Isis Installation Guide - Big Ass Fans
Isis Installation Guide - Big Ass Fans
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12<br />
<strong>Isis</strong> ®<br />
Mounting Structure: Bar Joists (cont.)<br />
4b. Fasten double angle irons to roof structure mounting points<br />
CAUTION: The angle irons must be fastened to the roof structure at each end.<br />
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 hardware as shown. Do not<br />
tighten the hardware until the fan has been mounted to the angle irons.<br />
Proceed to step 5.<br />
Angle Iron Hardware (Customer-Supplied):<br />
a. (8) 1/2-13 or M12 Bolt<br />
b. (16) 1/2” or M12 Washer<br />
c. (8) 1/2” or M12 Nut<br />
Angle Iron Hardware (BAF-Supplied):<br />
d. (8) 3” Square Washer (see diagram)<br />
Square Washer<br />
3”<br />
(7.6 cm)<br />
a<br />
b<br />
Ø 9/16”<br />
(1.4 cm)<br />
Thickness:<br />
1/4” (6 mm)<br />
3”<br />
(7.6 cm)<br />
d<br />
b<br />
c<br />
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