Attach Winglets To Airfoils; Attach Airfoils To Hub - BIG ASS FANS Powerfoil 8 Installation Manual

Big Ass Fans recommends completing electrical installation (p. 25) before installing the airfoils.
WARNING: Disconnect power to the fan before installing the airfoils.
AVERTISSEMENT : Débranchez l'alimentation du ventilateur avant de replacer les hélices.
CAUTION: If the AirFence
installed on the airfoil.
ATTENTION : Si l'accessoire AirFence était inclus dans la commande du ventilateur, examiner chaque AirFence pour

1. Attach winglets to airfoils

Note: Check each airfoil to ensure the AirFence is still securely attached.
Attach the winglet to the airfoil using the Winglet Hardware as shown.
secure the fasteners. Attach winglets to all eight airfoils before attaching
the airfoils to the fan.
Winglet Hardware (BAF-Supplied):
a. (8) 10-24 x 3/4" Barrel
b. (8) 10-24 x 1/2" Bolt

2. Attach airfoils to hub

Slide airfoils onto the tabs of the fan hub. The airfoils must be
attached to the fan hub with the curved sides facing downward.
Attach the eight airfoil retainers with the Airfoil Hardware. Moving
clockwise around the fan hub, position the airfoil retainers end
over end as shown. Hole A of the retainer should be positioned
over top of Hole B. Do not tighten the bolts until all the airfoil
retainers have been attached!
Tighten the bolts along the outer perimeter to
using a torque wrench and 1/2" socket. After the outer perimeter
bolts are torqued, tighten the bolts along the inner perimeter to
using a torque wrench and 1/2" socket.
Airfoil Hardware (BAF-Supplied):
a. (16) 5/16-18 x 2'' GR 8 Bolt
b. (32) 5/16" Flat Washer
c. (16) 5/16-18 Hex Nut
WWW.BIGASSFANS.COM
12'–24' POWERFOIL
Installing Airfoils
™
accessory was included with your fan order, examine each AirFence to ensure it is properly
Airfoil Retainer
Hole A
Hole B
©2012 DELTA T CORP.
® ®
8, 12'–24' POWERFOIL 8PLUS
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