Instructions / Assembly

American Craftsman Installation Guide
17
Replacement Windows
888-504-0005www.AmericanCraftsmanWindows.com
Step 18
Check for square.
Close and lock window.
Measure diagonally
across unit, upper left
to lower right and upper
right to lower left corner. If
measurements are within
1/8", unit is square. If
unit is not square, adjust
by inserting shims as
needed. Do not over
shim.
Shim
Interior