5B. Attach Main Fan Unit (To Angle Irons) - BIG ASS FANS powerfoil x2.0 Installation Manual

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5b. Attach main fan unit (to angle irons)

CAUTION: The main fan unit is heavy. Use caution when raising it.
Attach the main fan unit directly to the angle irons with the Motor Hub Hardware as shown. Consult the diagram below for distances
between the angle irons. Note: The fan can only be directly mounted to angle irons. Do not directly mount the fan to an I-beam.
Tighten the bolts to 40 ft·lb (54.2 N·m) using a torque wrench and 3/4" socket. After attaching the main fan unit to the angle irons,
tighten all the bolts securing the angle irons to the roof structure to 40 ft·lb (54.2 N·m) using a torque wrench and 3/4" socket.
Proceed to "Secure Upper Safety Cable" (p. 19).
Main Fan Unit Hardware (BAF-Supplied):
a. (4) 1/2-13 x 1 3/4" GR 8 Bolt
b. (8) 1/2'' Flat Washer
c. (4) 1/2-13 Nylock Nut
8'–24' POWERFOIL X2.0 WASHDOWN & POWERFOIL
®
Mounting Structure: Bar Joists (cont.)
a
b
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X2.0 PLUS WASHDOWN
®
5 1/2"
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b
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