8’ - 24’ POWERFOILPLUS™, POWERFOIL™, & WICKERBILL FANS
WWW.BIGASSFANS.COM ©2010 DELTA T CORP. DBA BIG ASS FAN ALL RIGHTS RESERVED
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WWW.BIGASSFANS.COM ©2010 DELTA T CORP. DBA BIG ASS FAN ALL RIGHTS RESERVED
8’ - 24’ POWERFOILPLUS™, POWERFOIL™, & WICKERBILL FANS
4a. Fasten Single Angle Irons to Roof Structure Mounting Points
If installation requires double angle irons (i.e., span is greater than 8 ft [2.4 m]), proceed to step 4b.
CAUTION: Do not install the fan from a single purlin, truss, or bar joist.
CAUTION: The angle irons must be fastened to the roof structure at each end.
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 hardware as shown.
ATTENTION: Do not tighten the hardware until the fan has been mounted to the angle irons.
Proceed to step 5.
Grade 8 Hardware (Customer-supplied):
a. (4) 1/2-13 Bolt
b. (8) 1/2” Washers
c. (4) 3” Square Washer (BAF-supplied; see diagram)
d. (4) 1/2” Nut
3”
(7.6 cm)
3”
(7.6 cm)
Ø 9/16”
(1.4 cm)
Thickness:
1/4” (6 mm)
Square Washer
b
a
c
b
d
Mounting Method 2: Angle Irons (cont.)
