Pella 80WW0101 Window User Manual


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1 REMOVE THE EXISTING SASH
Note: Remove the new window from its packaging. Inspect
and measure the new window to confirm it will fit into the
opening prior to removing the existing window.
A. Remove the existing sash. This will vary per manufacturer
oftheexistingwindow.Removingthehingeandoperator
fasteners will generally allow the sash to be removed from
theexistingframe.
B. Remove operator hardware and all head, jamb, and sill
stops. This can usually be accomplished with a prybar.
2 OPENING PREPARATION
A. Inspect the existing window frame and repair or replace
any defective or rotted wood parts. Remove or seat any
nails.
B. Clean the openingofanydirt,debris,orexcessold
paint before proceeding. Chisel off any high spots.
C. Apply one piece of sill flashing tape to the sill of the
existingwindowframe.Cutthetape12"longerthanthe
existingwindowsillwidth.Applythetapeontheexisting
sill6"upeachjambandpressdownrmly.Thetape
will not cover the sill depth completely under the new
window.
D. Install and level sill spacers. Place1"wideby3/8"thick
spacersonthebottomofthewindowopening1/2"from
eachsideand1/2"backfromtheinteriorsurfaceofwhere
the new window will rest. Spacers are also required at
points where windows are joined in multiple window
combinations.Addshimsasnecessarytoensurethe
spacers are level.
Note: Improper placement of shims or spacers may result
in bowing the bottom of the window.
SILL STOP
HEAD STOP
JAMB STOPS
1B
2B
2C
6“
TWO OR MORE PEOPLE ARE REQUIRED FOR THE FOLLOWING STEPS.
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