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drive screw function video
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Question
Answer
Does the Von Duprin E996L trim require the NL drive screw be installed into the device to function properly?
Resolution:
Von Duprin 98/99 NL drive screw is located in back of the 98/99 center case assembly. NL drive screw should be left in with trim lock slide plate in up position in the 98/99 exit device with E99...:
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...:
What is the part number for the 99 series NL drive screw?
Resolution:
The part number for 98/99 series NL Drive Screw is 970441-89. The NL Drive Screw is also available in package of ten, part number 090074-00 NL Drive Screw can't be substitute with a standard sc...:
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...: