cylinder turn handing instructions

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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.
The 4110 closer is handed, and will have an "RH" and "LH" on the casting next to the closer shaft. The regulating valves are going to be on the same side as the hand of the closer.
To convert a single cylinder deadbolt to (or from) a classroom function, replace the complete inside turn unit per the following. Single Cylinder Deadbolt to Classroom: To convert from a B660/760...
A lock specified by a cylinder suffix BDC will be supplied with a disposable small format construction core, see Figure 1 below.  There is no metal key but instead the BDC cylinder has a ...
A small format disposable core is used as a SFIC construction core that is for low security applications and can be thrown in the waste bin after use.