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AD series tailpieces
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Answer
What is the part number for the twisted tailpiece for AD/CO exit device trim locks?
Resolution:
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...:
Which tailpiece do I use for the AD993-R or the AD993-M?
Resolution:
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 ...:
Why can't I get my JD YA6 cylinder to install into an AD-Series lock?
Resolution:
The JD YA6 tailpiece is intentionally designed such that the tailpiece cannot be installed at the same time as the cylinder. Interchangeable cylinders assume that the lever and taipiece is i...:
Reinstalling an AD-993 Tailpiece Holder Assembly
Resolution:
Below is the link to the document that shows how to install the AD993 tail piece assembly: Reinstalling an AD-993 Tailpiece Holder Assembly:
What is the part number for T lock tailpiece used with a conventional cylinder?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. Refer to Table 1 for a list of T lock tailpieces for conventional cylinders. Table 2 show...:
Why does my AD or CO series lock unlock when the lever is raised?
Resolution:
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...: