old d series lever lock functions

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Inside cylinder locks and unlocks the outside trim, such as thumb piece, knob or lever.  Outside cylinder functions as an NL when inside cylinder locks the outside trim.Double cylinder fe...
The old D series lever lock was replaced by the ND lock in September 2003.
The D lever was discontinued in October 2003 and there are no parts available.
Falcon is reintroducing the lever return spring for the discontinued Falcon M mortise series.  Effective November 1, 2014 the lever return spring is now available for purchase with a list pric...
Issue: One or both levers don't stay horizontal and droop down.Facts: Falcon T series locks in a high use application.Cause: Weak or broken springs within the springcage.Solution: Replacement sprin...
The storeroom lock function is described as follows: Latch bolt operated by key from outside or by operating inside lever. Outside lever is always inoperative. The following are storeroom functi...
To convert the Von Duprin 9975NL(Night Latch or Storeroom) to 9975L (Classroom) exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL ...
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...