spring loaded latches

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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 springcage part number is L283-040.
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...
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
ND -series locks manufactured on or after January 30, 2017 use the following spring cages:Outside - N523-218 - For ALL cylinder options except for JD-YA6, JD-YA7 and JD-MEDInside - N523-222 -...
ND-series locks manufactured before January 30, 2017 used the following spring cages:
In 2002 the Schlage AL-Series underwent a design change that affected the spring cage, driver, and plastic insert.  Spring cage and driver replacements for AL locks manufactured before this design ...
The part number for 88 rim end case spring is 090003-00 (PKG of 2) or 090080-00 (PKG of 10) and latch tail spring is 050393-00 (PKG of 10).
How to:  What are the steps to adjust a door closer?Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All closers with a "Delay" feature ...
The Von Duprin 2670 Guard X does not have a spring loaded latch bolt, it is a dead bolt and will not operate with any electric strikes.
The spring itself is not replaceable, you would need to replace the 19 centercase assembly.