Air Duct kit 21
6.
Apply the foam gasketing to the top of the upper duct by peeling the adhesive backing and aligning the
gasketing with the top edges of the upper duct.
Adjusting the air duct
After you have installed the air duct to the top of your rack:
1.
Loosen both draw-latch straps (1).
2.
Raise the upper duct until it reaches the ceiling opening, and the gasketing is pressed firmly against the
ceiling (2).
3.
Tighten and lock both draw-latch straps to hold the upper duct in place (1).
4.
To lock the air duct in the raised position:
a.
Mark through the predrilled hole on the upper duct, so you know where the hole should be on the
lower duct.
