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
a
b
c
b
d
WWW.BIGASSFANS.COM
12'–24' BASIC6
Mounting Structure: Bar Joists (cont.)
©2012 DELTA T CORP.
™
Square Washer
Ø 9/16"
(1.4 cm)
DBA BIG ASS FAN
ALL RIGHTS RESERVED
3"
(7.6 cm)
3"
(7.6 cm)
Thickness:
1/4" (6 mm)