BIG ASS FANS 400, Installation Manual

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BIG ASS FAN 400
Installation
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1. Secure the airfoils
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Position the fan hub upside-down as shown below. Loosely install the airfoils with the airfoil grommets and M5 screws as shown.
Tighten the screws.
Make sure that the colored stickers on the airfoils match the colors of the stickers on the fan hub tab.
2. Install the lower cover
Remove the protective covering from the circuit board. Align the three tabs on the lower cover with the three slots in the undersides of
the airfoils and snap the lower cover to the bottom of the fan hub.
Lower
Cover