Service manual

40H Series Service Manual A–1
A
GLOSSARY
Armored front The mortise lock front and faceplate designed to
prevent tampering with the cylinder retainer screw
and case mounting screws.
Auxiliary dead latch A latch that prevents the latchbolt from being loided
when the door is closed. See loiding.
Backset The distance from the faceplate to the center of the
cylinder or lever/knob.
Bevel See Door bevel.
Cam See Cylinder cam.
Core See Interchangeable core.
Cylinder See Mortise cylinder.
Cylinder cam A rotating part of a keyed cylinder that drives the
deadbolt or latchbolt.
Cylinder die A tool for rethreading a 1 5/32″ diameter cylinder.
Cylinder ring A metal ring that fits around the cylinder and
protects it from tampering. The cylinder ring also
spaces the cylinder out to the right position.
Cylinder tap A tool for rethreading case threads.
Cylinder wrench A tool for installing, removing, and testing cylinders.
Door bevel The angle on the edge of a door.
Dummy cylinder A nonfunctional mortise cylinder used only to plug a
cylinder hole.
Dummy trim Trim only (without lock). Used mainly on the
inactive door of a double door.