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4
Prepare the Window
Mark the centerline of the stool. Measure
A
from the centerline 13
for the panel cuts.
5
Install the Sill Supports
Assemble the sill supports. Do not fully
A
tighten the spacer mounting screws at
this time.
Type B
Type E
Sill
support
Adjusting bolt
Large washer
(For use with wood sills)
Before attaching the sill supports, place
B
them on the window stool. Select the spacer
position that will place the spacer near the
outermost point on the sill. Tighten the
spacer mounting screws.
Screws are in position
Sill
support
"V" notch
Sill
⁄
on both sides
3
8
Centerline
Stool
13
3
⁄
8
Sill
Spacer mounting
screws
Type (A)
Spacer
Lock nut
Stool
Bolt
Measure 12
3
⁄
from the centerline on
8
B
both sides for the sill support brackets.
Centerline
12
3
⁄
8
Turn the bolts and tighten the lock nuts to
C
make the sill supports level or tilt down 1/8
to the outside. Line up the "V" notch with
12
⁄
marks. Drill pilot holes and attach the
3
8
sill supports.
Average sill
Sill support
Narrow sill
Offset sill (such as brick or stone)
NOTES:
On narrow sills, there may not be enough room
to use the lock nut.
A deep offset sill may require a longer adjusting
bolt than the standard hex head bolt provided.
On wood sills use the large washer between the
bolt head and the sill. This prevents the bolt
from digging into the wood.
Spacer
13
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