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A.  Install the Main Support Bracket into 
the window opening. Ensure that the 
Horizontal Bracket and Extension Arms are 
located on the indoor side of the window.
WARNING
Maintain control of the bracket until 
installation is complete.
3. Install Support Bracket – Install Video Time 3:12
Fig. 4
B.  Move the Angled Support Arms 
toward the exterior wall until 
the feet touch the wall. Place 
the level on the bracket and 
adjust the Support Arms so that 
it is level or tilted 1/4 bubble 
downward and towards the 
outside. If exactly 1/4 bubble 
cannot be achieved, set the 
angled support arms to the 
closest setting so that a slight 
outward tilt exists.
Here is what 
1/4 bubble on 
the level 
should look 
like.
Depending on the 
level used, place at 
either location below 
to check level.
Fig. 5
Fig. 6
C.  Insert the Main Support Pin 
through the holes in the Main 
Support and Angled Support Arm. 
Match the hole numbers on both 
Main Supports for alignment.
  If further adjustment is needed, 
use alternate holes where the 
Main Supports attach to the 
Horizontal Bracket
Installation
Instructions