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Bolt not moving
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Question
Answer
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...:
When did the Falcon T lock begin shipping with a new latch?
Resolution:
The Falcon T series was discontinued August 12th, 2026 and was replaced by the Falcon TM series. The Falcon T lock will be featuring a new latch on June 10th, 2013. The Falcon T loc...:
How do I convert a 360L from NL to TL?
Resolution:
To convert the Von Duprin 360L/TL from Night Latch (NL) to Classroom (TL) or from Classroom (TL) to Night Latch (NL), invert mortise cylinder cam. :
How do you change the Von Duprin 990TP trim to NL function?
Resolution:
Recommend to order a new 990NL-R/V or M trim to change from TP/Classroom function to NL/Storeroom function. You will also need to reinstall the NL drive screw back into into the mast...:
Is there a Von Duprin conversion kit to change mechanical to electric latch retraction (QEL) in the field?
Resolution:
Followings are the list of the electric latch retraction (QEL) kits:114317-00QELA Modular Conversion Kit040061-00QELA Modular Conversion Kit w/CON958002-00HD-QELA Modular Conversion Kit040062-...: