At one time we offered a 9453 function in several different lever, knob and grip handleset designs. A wide variety of trim offerings were available. The mortise lockcase was a smaller version of th...
The Von Duprin 7500 mortise lock body ships in the NL mode. Either the function of 7500 lock body has not been changed to the Classroom function or the NL Drive screw is not all the way down. Step...
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...