WHAT IS AN INVERTED CAM

RELATED FAQS

Question
Answer
The cam is not inverted on the mortise cylinder for the CD option.
Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
instructions
 A 1 1/4" cylinder with straight cam is required for the Von Duprin SD (Special Dogging) exit device option.
The cylinder cam must be inverted with the SD option to work properly.
The Von Duprin CD kit comes with the cover plate machined to accept the cylinder dogging mortise cylinder.1 1/4" mortise cylinder with an inverted straight cam is required for CD option on Von Dupr...
Effective July, 2014, there is no longer a specific modular cam part number for dogging. The Schlage modular straight cams come with two mouting holes that allow for the cams to be mounted inverted...
To convert the Von Duprin 360L/TL from nightlatch to classroom or from classroom to nightlatch invert mortise cylinder cam.
To change the 360L from TL (classroom) to NL (Night Latch) function invert the cam on the mortise cylinder. See attached instruction. 360L Instruction