DOOR DETAIL SEE NOTE NO. I DRILL .625 DIA. TURN KNOB (SEE NOTE NO.I) DRILL .750 DIA. LEVER HOLE THROUGH DOOR C-SINK HOLE T0 .500 DIA NOTE: L0-22-013AI103443 S/M/S X 1.25 LG (4 REQUIRED) DRILL 1.250 DIA. CYLINDER DRILL 1.00 DIA THUNK ICE [â„¢DRILL ,312 DIA THROUGH DOOR DIA. C-BORE X .312 DEEP DRILL .312 DIA. " THROUGH DOOR 1) WHEN PREPARING DOOR FOR k Dbl FUNCTION, OMIT DRILLING OF @.625 TURN KNOB HOLE (INSIDE). DRILL A @ 1.250 CYLINDER HOLE INSTEAD, USING SAME CENTER LINE AS OUTSIDE CYLINDER HOLE.