8’–24’ POWERFOIL
®
X2.0 & POWERFOIL
®
X2.0PLUS FANS
WWW.BIGASSFANS.COM ©2012 DELTA T CORP. DBA BIG ASS FAN CO. ALL RIGHTS RESERVED
14
4a. Fasten single angle irons to roof structure
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 hardware as shown.
Do not
tighten the hardware until the upper yoke has been mounted to the angle irons (step 5).
Big Ass Fans recommends orienting the angle
irons so that the horizontal legs are facing each other (or the vertical legs are on the outside).
Proceed to step 5.
Grade 8 Hardware (Customer-Supplied):
a. (4) 1/2-13 Bolt
b. (8) 1/2” Washer
c. (4) 3” Square Washer (BAF-Supplied; see diagram)
d. (4) 1/2” Nylock Nut
Mounting Method: Angle Irons (cont.)
3”
(7.6 cm)
3”
(7.6 cm)
Ø 9/16”
(1.4 cm)
Thickness:
1/4” (6 mm)
Square Washer
If the angle iron span is greater than 8 ft (2.4 m) and requires double angle irons, proceed to step 4b.
b
a
c
b
d
Vertical walls are
to the outside.
Note: Ensure the angle irons are oriented as shown.
