ad tailpiece holder

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Below is the link to the document that shows how to install the AD993 tail piece assembly: Reinstalling an AD-993 Tailpiece Holder Assembly
Installers have reported that their AD-CO Series cylindrical or mortise locks will unlock whenever the outside lever is lifted.    This will occur if the outside spindle (square post) is install...
The part number for the AD or CO twisted tailpiece kit is: 46929303 Tailpiece Kit - (for Exterior Escutcheon -993 into Exit Device, i.e. Von Duprin 98 or 99) Exit Trim 46929303 Includes the...
The original 4B battery holder used with the AD and CO Series products is updated to improve performance.  The issues addressed include: -    New ledges are added near eac...
The original 4B battery holder used with the AD and CO Series products is updated to improve performance.  The issues addressed include: -       Improved spring ...
In the AD and CO Series replacement parts guide it shows the same part number 46929295 for the 993R, 993S, and 993M. The pictures show that the 993R and 993S have a flat straight tailpiece and the ...