© 2015 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com 25
Rev. Date 090415
Components:
A - 3/8”-16 Bolts (4)
B - 3/8” Flat Washers (8)
C - 3/8”-16 Nylon Locking Nuts (4)
D - Rapid Mount Industrial
E - Drop Length
F - D-Drive Motor Unit
G - Blade Struts
H - Plastic Cover
I - Center Cap on Plastic Cover
2.1.1A: Using the provided hardware, attach the drop length to the mount and then, attach the
motor to the drop length. It is recommended that only two of the four bolts are installed at this
time, one for the mount to drop length side and one for the motor to drop length side. This is in
order to more easily install the wiring. Do not torque them until the wiring and safety cable are
installed. It may be necessary to partially remove the bolts to get the wiring past. Once the wiring
and safety cable are installed, torque all four bolts to 30 ft-lbs.
DO NOT RUN THE FANS WITHOUT AIRFOILS. THE FAN IS NOT CONFIGURED
TO OPERATE WITHOUT AIRFOILS ATTACHED.
Final Results:
2.1A Drop Length and Motor Unit Installation
A
B
C
D
F
E
G
H
IMPORTANT: Blade struts should be used
to lift the fan during the mounting process.
Do not remove the plastic cover until after
the fan is mounted. The center cap on the
plastic cover (I) may be removed to feed
wires through the hollow motor shaft.
I
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