MacroAir Technologies Airvolution Installation Manual - page 22

 Page 

22

MacroAir Technologies Inc.    www.macro-air.com    Toll Free: 866-668-3247    Build: January 9 2009 

connections at the motor. 

Always properly ground the installation! 

For 

eco

6 Guard Fans Without Safety Screens, Skip Steps 4 and 5. 

Step 4

, Attach Rear Safety Screen

If ordered, safety screens MUST be installed to prevent injury in the unlikely event of fan failure. 

A) 

From the front of the fan, maneuver the rear screen over the motor plate to the rear. 

B) 

 Line up the holes in the screen struts with the holes in the motor mount plate. 

C) 

Securely attach the screen to the motor mount plate using the supplied bolts, washers, 

and nylon lock nuts, being sure to put the bolts in from the front. 

Step 5

, Attach Hub And Hub Cover

A) 

Slide the hub over the gearbox output shaft, flat side out, and position it approximately 

flush with the end of the shaft. 

B) 

Insert the cone-shaped keyless bushing adapter over the shaft and into the hole in the 

hub center bushing. 

C) 

Line up the four non-threaded holes in the keyless bushing adapter with the four 

threaded holes in the hub center bushing. 

Fig 12 

Fig 13