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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...
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...
The 81 service manual can be found here.
In the AD and CO Series replacement parts guide it shows the same part number 46929295 for the 993R, 993S, and 993M. The pictures show that the 993R and 993S have a flat straight tailpiece and the ...