510. Secure the air conditioner to the bottom of thewindow sash with one 3/4 -in. screw provided.Screw is installed through the hole in the center ofthe top channel of the air conditioner. See Fig. 8.11. Pull out the expanding side shutters from thesides of the air conditioner. The panels shouldexpand to cover the entire width of the window.There is a hole provided in the top end of each sideshutter which is used to secure the panels to thewindow. There is a tab on the bottom of the sideshutter provided to secure the side shutter to thewindow sill. With the wing panels expanded,mark the drilling locations on the sides of the win-dow frame and sill (through the holes in the pan-els). See Fig. 8.12. Drill the holes marked in Step 11 with 1/8 -in. drillbit. With the wing panels expanded, secure thewing panels with two 3/4-in. screws provided (eachside). See Fig. 8.13. Cut thick foam seal (provided) to fit the length ofthe window. Insert the foam seal between the topof the lower window sash and the window panes ofthe upper window. See Fig. 8. Make sure there isa firm fit to prevent air leakage between the win-dows. This also prevents insects from enteringthrough the window.14. Plug in the unit.SEALCENTER LINE7.5 7.5OUTER SILL INNER SILL3/4"SCREWCENTER LINE3/4"SCREWBRACKETSHORT SIDESEALL BRACKETFIGURE 4 — FOAM SEAL INSTALLATIONFIGURE 5 — DETERMINE CENTER OF SILLFIGURE 6 — L-BRACKET INSTALLATIONFIGURE 7 — AIR CONDITIONERINSTALLATION LOCATIONFOAM3/4"SCREW3/4" SCREW 3/4" SCREW3/4" SCREW3/8" SCREWFIGURE 8 — SECURE AIR CONDITIONERTO WINDOW