l service manual

RELATED FAQS

Question
Answer
Reference the L-Series Service Manual to change lock functions or build up a case from parts.
This Step-by-Step guide is specifically designed for the functions listed below, however, it can be referenced with a majority of L series functions since most of the parts are ...
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.
The ND electrified motor driven locks shipping as of  March 14, 2016 has a field selectable operating mode, you can convert from EL to EU or EU to EL by flipping a switch on the chas...
The electrified ND electrified solenoid driven lock shipped prior to March 14, 2016 can be converted between fail safe (EL) and fail secure (EU) by swapping out the solenoid, sleeve,...
To convert the AL44 to an AL40 you can replace the outside plunger unit in the chassis or order the AL40 chassis.  Replacing the plunger unit is more difficult and time consuming and would not be r...
A B663 exploded view can been found here.
To install a Schlage ND170 click here for the installation instructions.
To remove the Schlage L Series from a door reference the appropriate installation instructions found here at https://us.allegion.com/en/home.html
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...
Service manual can be found here.
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...