Classroom Thumbturn Rehanding Instructions

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The 09-900 mortise cylinder thumbturn has three handing options: right hand, left hand, and non-handed.  Handing of the cylinder is done by a check ball and spring placed in the housing a...
Also applies to the 09-900 XL12-196 mortise cylinder coin turn.
After installing a classroom deadbolt, there is potential for the thumbturn to project the bolt only, get stuck in one position, or move both directions but not move the bolt.  These are caused fro...
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...
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...
T381 Classroom Security Lock is not a "true" classroom security / Intruder lock function. The T381 is classified as a ANSI/BHMA F88 function: Defined as Grade 1, Apartment, Exit or Public Toil...
Classroom Deadbolt Lock (ANSI Function: E0171 for B663/763/863 and D111, E0172 for B563 and D211 )Deadbolt thrown or retracted by key outside. Inside turn unit will retract bolt only. Bolt au...
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...