To convert the Von Duprin 9975NL(Night Latch or Storeroom) to 9975L (Classroom) exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory):
Turn the NL ...
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...
The current 712L/912L (after 2/28/2011) can be field converted by purchasing the NL Spring part #600339 and following the L to NL function change instructions.
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 new AL FSIC driver part number is A700-052.
This driver snaps onto the back of the core similar to the ND, as opposed to it being assembled into the lock chassis with a retaining ring.
Th...
There was a design change in 2001 for the driver and lever insert on the AL for SFIC products. Changing the driver and/or lever insert on locks manufactured prior to 2001 will requi...
The SFIC lever insert part number prior to 2001 was the A700-022.
-On the AD series offline locks only you can change the lock function from Classroom/Storeroom to a Privacy, office or apartment function out in the field. - This is done via the HHD/SUS using...
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...
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...
The E996L is only shipped FS fail safe from the factory but can be converted to FSE fail secure. To convert the 996L to E996L (fail safe or fail secure) follow step 1 of the attached installa...
Schlage has conversion kits to convert the classroom L/LV9070 to the classroom security L/LV9071 and the classroom holdback L/LV9076 to the classroom security holdback L/LV9077. The...
Standard and Full Size I/C mortise cylinders on the L9485 and L9486, Hotel or Restroom Locks, use the concept of a ward ring to lock out all change keys once the deadbolt is thrown. Instead of a fu...
HANDINGA stop ring is installed on the right side for right hand operation and on the left side for left hand operation. Right hand shown below.
Swapping out the following parts of an ND50 will convert it to an ND53:
Swap N123-028 Push button plunger for N123-017, Push and Turn button plunger
Swap N523-000, Push button for N523-001 Pus...