© 2015 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com 44
Rev. Date 090415
5.1 Airfoil Installation
Components:
A - Airfoil
B - Airfoil Strut
C - Safety Retainer Links (6)
D - 5/16”-24 x 1/2’’ Bolts (12)
E - 5/16’’ Washers (24)
F - 5/16’’ Nuts (12)
G - Motor Unit
5.1.1: Slide a airfoil over a airfoil strut and place a safety link on top. Insert the airfoil bolts from
the bottom up (nuts on top) with washers and hand tighten the nuts.
5.1.2: Repeat last step until all airfoils and safety links are installed. Once everything is in place,
torque the bolts to 20 ft-lbs.
WARNING: To reduce the risk of personal injury, do not bend the airfoils or airfoil struts when
installing the airfoils, balancing the airfoils, or cleaning the fan. Do not insert foreign objects in
between rotating fan airfoils.
Final Results:
A
B
C
D
G
E
F
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