why wont my lever catch secure on falcon

RELATED FAQS

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The MA lock does not have Vandlgard or a breakaway trim feature, however, the lever spindle on the MA lock will shear if too much force is applied in order to prevent internal lock damage and resis...
Falcon D series deadbolts will not accept Schlage Key-in-lever cylinders. The faceplate plug hole is smaller in diameter than the Schlage plug and does not fit flush when i...
For a Schlage "C"  keyway:  Specify "CP6" as the cylinder suffix when ordering  D100 or D200 locks (All other Schlage keyways are not available).
Bad dogging hook on the dogging assembly could cause the 33A/35A and 98/99 exit device latch bolt not to retract completely.
- AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device.  Be sure this screw is installed- Exit hardware and strike must be properly mounted ...
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
See 24 and 25 series trim section in the Price Book.
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...