Installation Guide

BIG ASS FAN 4900

Note: Ensure the spacers are oriented as shown.

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exceeds 3/8” (1 cm).

2. Attach upper yoke (to I-beam)

Secure the upper yoke to the I-beam with the Upper Yoke 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

Proceed to “Hanging the Fan” (p. 17).

Mounting Structure: I-Beam (cont.)

Side View