BIG ASS FANS Powerfoil 8 Plus, Installation Manual

Page: 24 / 68

12’–24’ POWERFOIL ® 8, 12’–24’ POWERFOIL ® 8 PLUS
WWW.BIGASSFANS.COM ©2012 DELTA T CORP. DBA BIG ASS FAN ALL RIGHTS RESERVED
16
4b. Fasten double angle irons to roof structure mounting points
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 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.
Grade 8 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) 1/2-13 Nylock Nut
Mounting Structure: Bar Joists (cont.)
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