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AIR 403 Land Manual Document #0049 REV D
SOUTHWEST WINDPOWER 8/20/2001 20
3.3.2 Mounting the Hub and Rotor
CAUTION: THE BLADES ARE SHARP. USE CAUTION WHILE HANDLING THE BLADES.
Remove the 5/8” nut from the alternator shaft. Carefully slide the blade assembly onto the
alternator shaft. Place the nut on the shaft and thread the nut on by spinning the blade
assembly. Insert the 5/16” hex key torque wrench into the alternator shaft and tighten the nut
by holding the hub set and tightening the shaft with the torque wrench. The nut should be
tightened to 50 - 65 foot pounds (68 – 88 Nm). When the blade set assembly is tightened,
spin it to be sure it turns freely.
3.3.3 Attaching Nose Cone
Carefully place the nose cone over the center of the hub and the blades. Snap the nose
cone into place. Be sure all three edges catch. Check to see that the nose cone is secure by
firmly pulling on it. The nose cone does not affect the performance of the turbine and may
be left off, if desired.
3.4 Step-By-Step Instructions
The following Step-By-Step-Installation-Procedures provides you with an outline of the AIR
403 installation process. This consolidated reference should only be used as an outline
during installation. Refer to the appropriate sections for further details.
1) Run the wires from the battery (do not connect to the battery), through the pole to the top
of the tower. Be sure not to connect the wires to the battery until everything else has
been completed.
2) Strip the insulation back from each set of wires.
3) Mark both ends of all the wires with tape to identify which is negative, positive and earth
ground.
AIR 403 color-codes:
RED = Positive
BLACK = Negative
GREEN = Ground.
4) Insulate the connections using either heat shrink tubing or a quality electrical tape.
5) Connect the wires from the AIR 403 to the wires running to the battery.
CAUTION: IF THE WIRES ARE HOOKED-UP BACKWARDS YOU WILL DAMAGE
THE AIR 403’S ELECTRONICS. (IF YOU ARE UNCERTAIN OF THE POLARITY OF
THE WIRES, SIMPLY SPIN THE ROTOR SHAFT AND MEASURE THE VOLTAGE
DIRECTION WITH A VOLT METER).
