16E-2 For door thickness of 13⁄4 " – 2", insert the shortsquare spindle (G) into the inside housing hub.Door thickness of 21⁄8 " – 21⁄4 ", insert the longsquare spindle into the inside unit hub.E-3 Put the thumbturn (T), if applicable in a verticalposition and place the inside trim assembly onthe door so that the upper spindle (F) engagesthe thumbturn and mortise hubs, respectively.Ensure the red collar is seated into its mountinghole. Carefully push the inside housing flushagainst the door.E-4 Select the LectroBolt™ (screw with red sleeve) length that corresponds tothe correct door thickness as noted in this chart:Door LectroBolt Top Mounting LowerThickness Size Screw Size Mounting Screws13⁄4 " to 2" 23⁄4 " 27⁄8 " 5⁄8 "(44 mm to 51 mm) (70 mm) (73 mm) (16 mm)21⁄8 " to 21⁄4" 3" 3 1⁄4 " 5⁄8 "(54 mm to 57 mm) (76 mm) (83 mm) (16 mm)E-5 Insert the LectroBolt™ through the red inside hous-ing hole marked with the lightening bolt symbol. Fornow, only partially tighten the LectroBolt™ to keepthe red collars in position.E-6 Then, insert and tighten the other three mountingscrews. (Refer to the chart forcorrect screw lengths.)E-7 Finish tightening the LectroBolt™ to secure the lockon the door.Warning: If using a power drill, please be careful not to over-tighten as thiscould cause damage to the mounting screws and threads.F. INSTALLING THE INSIDE LEVERInsert the inside lever (A) onto the inside unit assembly.Secure the inside lever with the hex screw (B) (supplied)using the allen wrench (C) (supplied).FGTRed CollarLectrobolt5⁄8 "(16mm)ac b