tailpiece was not included with cylinder

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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 Schlage rim cylinder lengths are given below and were measured from the face of the cylinder to the back of the tailpiece.  Because of allowable tolerances for each part the average length is l...
Standard Schlage rim cylinders will fit a total thickness of door and projecting trim of 3 inches, this includes a minimum of 3/8" of engagement of the tailpiece into the exit device.  See ima...
For total thickness measurements larger than 3 inches see the special cylinder offerings in Pricebook.  Specify the part number and include the total thickness.  We do not offer the ...
Make sure the lock AA batteries are good. 4.8 VDC or higher.
When in its “Active state”, the mechanical key switch can prevent USB connection. Make sure the lock key cylinder and tailpiece are properly installed.
Make sure the mechanical triangles on the back of the outside escutcheon are aligned properly.  See the installation instructions at www.schlage.com/support Schlage Technical Support.&nbs...
If the Schlage Utility Software pops up a "E201 error", just ignore it, and tap "Device Options" or update your firmware. See 78451  
Make sure the HHD/SUS is set to USB communication by checking the small icon right of the "No Device Connected" message.  The symbol should be a USB symbol when working with USB enable product...
Conversion kits are available to convert many popular functions.Conversion kits manufactured on or after January 30, 2017 will have the new enhanced ND spring cage, lever, plunger and buttonCo...
For all available ND Series Conversion Kit part numbers, click here.
A service kit is available, part number 40-223.  Product description available HERE. 
After installing a classroom deadbolt, there is potential for the thumbturn to project the bolt only, get stuck in one position, or move both directions but not move the bolt.  These are caused fro...
Refer to Table 1 for a list of T lock tailpieces for conventional cylinders.  Table 2 shows IC tailpieces. Table 1: T lock conventional tailpieces Table 2: T lock IC tailpieces
The Schlage full size interchangeable core (FSIC) prepped B560F, B561F, and B563F deadbolts all require a UL fire cup (R) in order to be UL listed.  This fire cup is s...
The Schlage ND is shipped with a driver/tailpiece when ordered with a LD, BD, or JD suffix.
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 in...
See the JD Yale Lever installation instruction HERE
The 40-100 is a multiple tailpiece pack with a pre-assembled, 0-bitted, key-in-knob cylinder.  The kit includes the following: (1) Pre-assembled cylinder 0-bitted, less tailpiece 40-100 (...
The pack is available in all keyways, Everest and Classic families including restricted keyways except Primus. 
Key-in-lever tailpieces differ in length depending on the lock series, function, and design.  Click here to identify the tailpiece and length.  NOTE: Modular cylinders use...
The S-Series and S200-Series outside keyed spindle was redesigned in September 2008.   For locks manufactured BEFORE September 2008    The S and S200 lever cylinders required cy...
Schlage offers Falcon Retrofit cylinders to fit many of Falcon's locks.  Table 1 below contains part number for T series locks.  Table 1 - Falcon retrofit cylinders  
The B220-001 is an FSIC rim tailpiece and driver.
Only the Schlage ND-Series can be prepped to accept non-Schlage cores. All designs are supplied with the appropriate tailpiece Non-Schlage cores are NOT included Lever designs available vary d...
B502-899 is the tailpiece for both the SFIC and standard rim cylinders.