Instructions / Assembly
Vertical legs are
on the outside
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Illustrator: add dotted lines here
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a
b
c
b
d
Single Angle Irons
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Illustrator: add dotted lines here
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b
a
c
b
d
Double Angle IronsRectangular Washer
Thickness:
0.15” (4 mm)
3”
(76 mm)
2” (51 mm)
Ø 9/16”
(14 mm)
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8
5. Fasten angle irons to roof structure mounting points
Fasten the angle irons to the roof structure mounting points at each end with Grade 8 hardware. Do not fully
tighten the hardware.
Single Angle Irons: Position the angle irons so that the horizontal legs face each other (vertical legs are on the
outside).
Double Angle Irons: Position the angle irons with fan mounting holes on the inside, facing each other.
Grade 8 Angle Iron Hardware (Installer-Supplied):
a. (4 or 8) 1/2-13 GR 8 Bolt
b. (8 or 16) 1/2” GR 8 Washer
c. (4 or 8) 2” x 3” (51 x 76 mm) Rectangular Washer (supplied; see diagram)
d. (4 or 8) 1/2-13 GR 8 Nylock Nut
DO NOT FULLY
TIGHTEN