BIG ASS FANS 2025 Manuel D'installation page 16

D. Fasten angle irons to roof structure mounting points
Single Angle Iron
Fasten the angle irons to the roof structure mounting
points at each end with Grade 8 hardware as shown.
Tighten the hardware so that it is snug, but do not
torque until the fan has been mounted to the angle
irons. We recommend orienting the angle irons so
that the horizontal legs are facing each other (or the
vertical legs are on the outside).
Grade 8 Hardware (Installer-Supplied):
a. (4) 1/2-13 or M12 Bolt
b. (8) 1/2" or M12 Washer
c. (4) 3" Square Washer (supplied; see diagram)
d. (4) 1/2" or M12 Nut
Single Angle Irons
a
a
b
b
c
c
b
b
d
d
Vertical walls are
to the outside
10
Square Washer
3" (7.6 cm)
Ø 9/16"
(1.4 cm)
Thickness:
1/4" (6 mm)
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Double Angle Iron
Fasten the angle irons to the roof structure mounting
points at each end with Grade 8 hardware as shown.
The angle irons with fan mounting holes should be
positioned on the inside, facing each other. Tighten
the hardware so that it is snug, but do not torque
until the fan has been mounted to the angle irons.
Grade 8 Hardware (Installer-Supplied):
a. (8) 1/2-13 or M12 Bolt
b. (16) 1/2" or M12 Washer
c. (8) 3" Square Washer (supplied; see diagram)
d. (8) 1/2" or M12 Nut
3"
Double Angle Irons
(7.6 cm)
ALL RIGHTS RESERVED.
a
b
c
b
d