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“
lever does not open latch
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Why doesn't full rotation of the AD or CO Series Exit Trim (993) outside lever fully retract the Von Duprin 98/99 Exit Device latch?
Resolution:
- 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 ...:
Does Von Duprin offer any pulls that through bolt to the Guard-X device?
Resolution:
Von Duprin does not offer any lever trim or pulls that through bolt to the Guard X device. Ives has the 8102-6 and 8105-6 pulls that can be lined up with the mounting screws of the exit device b...:
What locks are always locked on the outside?
Resolution:
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...:
How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?
Resolution:
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...:
Why would the 996L trim not lock or unlock when installed with 98 or 99EO?
Resolution:
The 98/99 rim and vertical rod exit devices are shipped with NL drive screw to function as a Night Latch. To convert the device to Class Room, remove the NL Drive Screw on 98/99 center case ass...:
Why does my 7500 retract the latch bolt but not re-lock the trim?
Resolution:
Tips for changing the function: The NL Drive screw will not be visible when lock body is set to Classroom function There is locktite on the screw that makes it seem like its turned down enou...: