Please see the Maintenance Kit Manual for information on device lubrication as well as complete breakdowns and parts lists for Von Duprin exit devices.Exit devices and latc...
Von Duprin has a maintenance kit part number 050046-00 and maintenance instruction, part number 941079-00 for 98/99 series devices. There are some common parts between 98/99 series and 22...
To remove the knob:
Turn key 45 degrees clockwise
Push in catch push pin and pull off knob
*The older wafer style locks did not use a knob catch. The chassis must be disassembled before the knob can be removed because it uses the wafer lock chassis spindle.