Installation Guide

BIG ASS FAN 4900

Hanging the Fan (cont.)

3. Attach lower yoke (to extension tube)

Attach the lower yoke to the bottom of the extension tube with the

Lower Yoke Hardware as shown.

Tighten the hardware so that it is snug, but not fully tightened.

Lower Yoke Hardware (BAF-Supplied):

a. (2) 1/2-13 x 4-1/2’’ GR 8 Bolt

b. (4) 1/2’’ Flat Washer

c. (2) 1/2-13 Nylock Nut

4. Attach main fan unit (to lower yoke)

CAUTION: The main fan unit is heavy. Use caution when raising it.

Attach the main fan unit to the lower yoke with the Main Fan Unit Hardware as

shown. Do not rest the main fan unit on the ground! Make sure the lower cable

is positioned between the lower yoke brackets as shown on the right.

Tighten the bolts to 40 ft·lb (54.2 N·m) using a torque wrench and 3/4”

socket. Do not discard the main fan unit packaging. It should be used if the

fan is ever moved or relocated.

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

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After securing the main fan unit to the lower yoke, allow the fan to hang so that the extension

tube is plumb to the ground. When it is properly positioned, fully tighten the mounting hardware

(Lower Yoke Hardware and Extension Tube Hardware) to 40 ft·lb (54.2 N·m).