Service manual

Glossary
40H Series Service Manual A–3
Removable core See Interchangeable core.
Reverse bevel See Hand of door.
Shifting cam A spring-loaded cam that shifts back to drive another mechanism. See
also Cylinder cam.
Spanner wrench A wrench used to tighten a rose ring onto a door.
Stop screw Mortise case feature that fixes the position of the outside lever for TD,
B, BW, H, and HJ deadbolt function locks.
Swing See Hand of door.
Tactile lever/knob A lever/knob with deep grooves cut into its surface or a lever with an
abrasive strip affixed to the inside of the lever. Tactile levers and knobs
improve grip and can also serve as a warning when entering hazardous
areas.
Template A precise, detailed hole pattern that serves as a guide for the mortising
and drilling of doors and frames.
Visual indicator A dial assembly, used primarily hotel function locks, that shows
whether the deadbolt or latchbolt is locked. Icons on the dial indicate
vacant or occupied status.