Pella 80WX0101 warranty Setting And Fastening The Window

4 SETTING AND FASTENING THE WINDOW

A.If the existing double-hung has a sloped sill the sill of the new window will need to be supported by using the Pella replacement sill adapter accessory or by using wood blocking as needed.

B.If using the Pella replacement sill adapter accessory the sill adapter will need to

be cut to the same length as the sill of the window and slid into the sill fin groove. This adapter may be adjusted to accommodate different sill angles by breaking off the grooved leg at the desired dimension. Dry fit the window to ensure the window will fit in the opening and that the sill adapter is trimmed properly.

Casement Sill

4B

Sill

Adapter

(SILL CUTAWAY VIEW)

Double-Hung Sill

4B

Sill

Adapter

(SILL CUTAWAY VIEW)

C.Apply a 3/8" bead of sealant at the point where the existing stool meets the existing window sill. Additionally, place sealant at the ends of the flashing tape, making sure to connect with the stool sealant.

D.Apply a continuous 3/8" diameter bead of sealant at the exterior surface of the interior head and jamb stops. Connect this bead of sealant to the sealant line on the stool.

4D

4C

TWO OR MORE PERSONS ARE REQUIRED FOR THE FOLLOWING STEPS.

E.Insert the replacement window in the opening. Check to make sure the window rests against the interior blind stops and is making contact with the sealant.

F.From the exterior, place shims near the top of one jamb, in line with the top pre- drilled hole in the window frame. Partially insert one 3-1/4" finish wood screw. Repeat the process for the other jamb.

Note: Position shims to ensure they allow at least 1/2" from the exterior surface of the window to allow for placement of backer rod and sealant.

G.Continue placing shims at each pre-drilled hole as needed to plumb and square the window. Check window for squareness by making sure the diagonal measurement from corner to corner of the replacement window is within 1/8" in both directions. Insert a

3-1/4" finish wood screw into each pre-drilled hole in the frame. Finish inserting the top screw in each jamb.

Note: DO NOT shim above the window. DO NOT over shim!

H.Check operation before applying the insulating foam sealant in case adjustments need to be made.