With split key construction keying there are two ways the construction insert is retained in the cylinder so that it won't fall out the back end of the plug, see Figure 1.
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A lock specified by a cylinder suffix BDC will be supplied with a disposable small format construction core, see Figure 1 below. There is no metal key but instead the BDC cylinder has a ...
A small format disposable core is used as a SFIC construction core that is for low security applications and can be thrown in the waste bin after use.
The Schlage full size construction control key part number is 48-056-ICX. The ICX suffix will change depending on if the key is for a new job or existing job.
New jobs: Specify "ICX"
E...
Out of the Box, or after a Factory Default Reset, all AD locks can be used in a "Construction Mode".
At launch ...
The AD-Series locks would accept the first card credentia...
Update your device firmware to the latest version to fix this early design / feature update
All lock cylinders on a specific project are operable by a special "project key". Duplicates of this key may be assigned by the building contractor to workmen and subcontractors as required. ...
Choose the appropriate full size control key from the selection below.
Classic Conventional Key Blanks and Cut Keys
Part Number
Description
Key Blanks
35-056
Control
Standard bow, embossed both sides
35-076
Standard bow, unembossed both s...
BE467/FE410 Construction credentials:Must be an 8Kbit MIFARE Classic Keyfob (Schlage Model Number 9651)All construction credentials to be used on a particular lock must have the same facility code
Construction (9651) credentials can be enrolled and used as normal credentials
To disassemble an X lock, remove the inside knob and unscrew the inside collar and rose. The X lock spanner wrench (012172-000-30) can be used to depress the knob catch as well as tighten/loo...
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
Split key systems are delivered in the highest level section on the key tip (insert):
L - obverse or classic
Y - reverse
0000 - Paracentric
ZZZZ - Quad
D000 - restricted Everest
C000 - open...