4
Prepare the Window
AMark the centerline of the stool. Measure from the centerline 133⁄8″ on both sides for the panel cuts.
Centerline
Stool
133⁄8″
Sill
B
Measure 123⁄8″ from the centerline on both sides for the sill support brackets.
Centerline
123⁄8″
Safety Instructions Operating Instructions
5
Install the Sill Supports
AAssemble the sill supports. Do not fully tighten the spacer mounting screws at this time.
Type B
Type E 
| Spacer mounting | |
Sill | screws | |
Type (A) | ||
support | ||
Spacer | ||
| ||
| Lock nut |
Adjusting bolt 
Large washer 
(For use with wood sills)
BBefore attaching the sill supports, place 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 
Stool
SillBolt
CTurn the bolts and tighten the lock nuts to make the sill supports level or tilt down 1/8″ to the outside. Line up the “V” notch with 123⁄8″ marks. Drill pilot holes and attach the sill supports.
Average sill
Spacer
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.
13
Care and Cleaning Installation Instructions Troubleshooting Tips Consumer Support
