Air King 99538, Operating Instructions & Parts Manual

3

GRILL AnD BLADe ASSeMBLY 

(Figures 3 and 4)

1.  Install the Rear Grill onto the Motor, lin-

ing up the six holes in the grill with the 
six threaded holes in the Motor. Install (6) 
10-32 X 5/16" Hex Screws through the Rear 
Grill  into the Motor.  Securely tighten all 
(6) screws. 

(Figure 3)

2.  Push the Fan Blade onto the Motor Shaft, 

centering the Hub facing away from the 
motor, until it stops against the shaft (Inset 
A) .  Align Square Head Bolt with flat of 
the Motor Shaft. TIGHTEN VERY SECURELY 
WITH AN ADJUSTABLE WRENCH.  Failure 
to securely tighten the Bolt could result in 
damage to the Fan and/or personal injury. 

3.  Hold the Front Grill so that the name, in the 

center, is right side up and straight across.  
Starting at the top: Fasten Front Grill to 
Rear  Grill by sliding the hooked wires on 
the Front Grill over the outermost ring on 
the Rear Grill. 

(Figure  4 / Detail A)

. The 

bottom most hooks will require the use of a 
flathead screwdriver to complete assembly. 
Stand behind the Fan.  Slip the flat of the 
screwdriver between the Front and Rear 
Grills, next to one of the unfastened hooks. 

(Figure 4 / Detail B) 

Pull screwdriver handle 

upwards towards the Rear Grill.  Slip the 
Front Grill hook over the Rear Grill outer 
ring with a push.  Repeat procedure with 
remaining hooks.   

CAUtIOn: DO nOt BenD WIReS On 
tHe FROnt OR tHe ReAR GRILLS

Assembly

WALL BRACKet InStALLAtIOn

NOTE: Always install the bracket to a minimum of 
2" x 4" studding.
1. Insert the 7/16-14 x 3-1/2" Bolt through Wall 

Bracket and into the 7/16-14 Lock Nut. Tighten 
with Adjustable Wrenches. 

2.  THE HARDWARE TO ATTACH THE WALL 

BRACKET TO THE WALL STUD IS NOT SUPPLIED. 
Locate the wall stud nearest to the desired Fan 
location. Attach the Wall Bracket to the stud us-
ing (3) 5/16" diameter x 2" long Lag Screws. 

3.   Position the Motor Neck and align the Pivot Hole 

with the Larger Hole in the Wall Bracket. 

(Figure 1)

4.  Insert the 1/2" X 1" Hex Bolt (3/4" head) 

through the Motor Neck, and the Wall Bracket. 

Place 1/2" diameter Split Lockwasher then the 

1/2" diameter Hex Nut (3/4" head) and tighten 

fully with 1” adjustable wrench. 

5.  From the same side of the Motor Neck, insert 

one 1/4-20 X 1 5/8" Carriage Bolt through the 

Arc-Shaped Slot in the Motor Neck and Hole 

in the Wall Bracket.

To Fasten: Place one 1/4" Flatwasher, one 1/4" In-

ternal Tooth Lockwasher, a second 1/4" Flatwasher 

and then tighten the Adjustable Knob over the 

remaining threads. Final assembly of the Motor to 

the Wall Mount Bracket is illustrated in 

Figure 2

.

Figure 2

Final Assembly

 of Motor to

Wall Mount 

Bracket

Wall Mount Assembly

Figure 3

Inset A

Detail B

Bottom Hooks

Detail A

top Hooks

Figure 4

Figure 1 

Wall 

Bracket

7/16-14 X 3 1/2" 

Bolt

7/16-14 Lock nut

P Clamp

P Clamp

Cable

Routing

Operating Instructions & Parts Manual 

          99538/99539

New 5/11

5085459