4B. Fasten Double Angle Irons To Roof Structure Mounting Points - BIG ASS FANS Powerfoil 8 Installation Manual

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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
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12'–24' POWERFOIL
Mounting Structure: Bar Joists (cont.)
a
b
c
b
d
©2012 DELTA T CORP.
® ®
8, 12'–24' POWERFOIL 8PLUS
DBA BIG ASS FAN ALL RIGHTS RESERVED
Square Washer
3"
(7.6 cm)
Ø 9/16"
(1.4 cm)
(7.6 cm)
Thickness:
1/4" (6 mm)
3"