Setting and fastening the window – Pella Double-Hung Window 802X0104 User Manual

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D. Verify the sill is ﬂat

completing attachment of window to opening.

Note: If the sill is not ﬂat screen ﬁt issues may result.

A. Insert the window

bottom of the window on the spacers at the bottom of the
opening, then tilt the top into position. Center the window
between the sides of the opening to allow clearance for
SHIMMING

B. Plumb and square window. Place shims 1" from the bottom and top of

the window between the window and the sides of the opening. Adjust the
shims as required to plumb and square the window in the opening.

For windows up to 53"
tall: Place an additional
shim at the midpoint of
each side of the window.
For windows over 53"
tall: Place two additional
shims along each side
of the window, evenly
spacing them between
the top and bottom
shims and the midpoint
shim.

C. Adjust the shims until the window sides are straight and the space between the sash and

frame is equal from top to bottom.

Note: DO NOT shim above the window or in the space between the spacers at the bottom
of the window. DO NOT over shim.

SETTING AND FASTENING THE WINDOW

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У д О д

{ д x д

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Exterior View

Interior View

For windows over 53” tall.

Interior View

E. Check the interior reveal. Make sure the

measurement from the interior face of the window
to the interior face of the wall is equal at several
points around the window.

Note: If the dimensions are not equal, check to
make sure the ﬁns are folded out to 90° at all
points.

F. Fasten the window to opening

EACH

Note: Make sure the ﬁn corner is lying as ﬂat as possible.

shipping spacers. Open and close the window a few times to check for
proper operation. Make sure the window will tilt correctly. Close and lock
the window.

ProLine

only:

above the bottom sash. Lift the clip by the interior leg and rotate upward
TO

Note: If there are any problems with the operation of the window, recheck shim locations
and adjust for plumb and square.