old von duprin mortise lock body

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The only parts that are available for 34/58 for mortise lock bodies are: 091032 Aux Bolt Spring Pack of 10 091031 Dog Spring Pack of 10 091030 Thumb Spring Pack of 5
See Step 3 of the mortise lock reversing instructions(D-4010) which shows function conversions and what part(s) are needed if any are needed.
You can reference the 7500 mortise lock rehanding instructions. Remove the two screws from mortise lock faceplate. Remove the face plate and the collar from the mortise lock then rotate the la...
The Locknetics 9100 series electric strikes are replaced with Von Duprin 6211 and 6210 electric strikes.   6211 is used for new and 6210 is for existing application. For existing applic...
The Von Duprin 7500 mortise lock body will replace the old style 34 and 58 lock bodies. Order a 7500 mortise lock in the proper finish. The old style strike must be replaced with 575 strike becau...
The following steps are required to convert the Von Duprin 98/9975L from classroom to night latch function: Order new 996L-NL-M trim and reset NL drive screw in mortise lockbody as set from...
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...
There are 3 styles of cases: 7500 mortise lock for 98/9975, 8875 5575 exit devices 7500-IN for 94/9575 inpact device