BIG ASS FANS powerfoil x2.0, Installation Manual, Page: 24 / 76

8’–24’ POWERFOIL
®
X2.0 WASHDOWN & POWERFOIL
®
X2.0PLUS WASHDOWN
WWW.BIGASSFANS.COM ©2012 DELTA T CORP. ALL RIGHTS RESERVED
16
4b. Fasten double angle irons to roof structure
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied hardware as shown. The angle irons
with fan mounting holes should be positioned on the inside, facing each other. Do not tighten the hardware until the upper yoke has
been mounted to the angle irons.
Angle Iron Hardware (Customer-Supplied):
a. (8) 1/2-13 Bolt
b. (16) 1/2” Washer
c. (8) 3” Square Washer (BAF-Supplied; see diagram)
d. (8) 1/2” Nylock Nut
A
b
a
c
b
d
Mounting Structure: Bar Joists (cont.)
Square Washer
Thickness:
1/4” (6 mm)
3”
(7.6 cm)
3”
(7.6 cm)
Ø 9/16”
(1.4 cm)