Pella 80YV0102 User Manual download pdf (Page 2)

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.

The window needs to be 3/8" smaller in both width and

height than the pocket frame, i.e. existing sash opening.

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.

Note: Two or more people may be required when

handling existing sash.

B. Remove operator hardware and all head, jamb, and sill

stops. This can usually be accomplished with a prybar.

SILL STOP

HEAD STOP

JAMB STOPS

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 shims.Place1”wideby1/4”thick

shimsonthebottomofthewindowopening1/2”from

eachside.Keepshimsback1/2"frominteriorfaceof

window. Shims are required at points where windows

are joined in multiple window applications. Add shims

as necessary to ensure the sill is level. Once level,

attach spacers to prevent movement.

Note: Improper placement of shims may result in

bowing the bottom of the window.

6“

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Pella 80YV0102 User Manual Page 2