Attach Upper Yoke (To I-Beam) - BIG ASS FANS Powerfoil 8 Installation Manual

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12'–24' POWERFOIL 8, 12'–24' POWERFOIL 8PLUS
12 Mounting Structure: I-Beam (cont.)
2. Attach the upper yoke (to I-beam)
Secure the upper yoke to the I-beam with the Beam Clip Hardware as shown. Tighten the bolts to 40 ft·lb (54.2 N·m) using a torque
wrench and 3/4" socket.
Upper Yoke Hardware (BAF-Supplied):
a. (4) 1/2-13 x 2" GR 8 Bolt
b. (8) 1/2'' Flat Washer
c. (4) 1/2-13 Nylock Nut
d. (2) Beam Clip
e. (2) Spacer
Side View
a
b
d
e
b
c
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