al chassis identification

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The new AL FSIC driver part number is A700-052.  This driver snaps onto the back of the core similar to the ND, as opposed to it being assembled into the lock chassis with a retaining ring.  Th...
The date of manufacture printed on the chassis cover (see below), will determine if you have a revised or old chassis. Chassis manufactured mid-June 2013 will have the new improvements. The first t...
The AL-Series has four distinguishable parts that can help in lock identification.     1.   The AL-Series will have a castle nut holding the chassis on the ...
A keycam is a sub component inside a cylindrical chassis (such as AL or ND) that provides the interaction required to lock and unlock the chassis.
AL-Series and discontinued D Lever-Series locks use castle nuts to hold the chassis to the spring cages and to keep the chassis positioned in the door. This causes confusion at times when the lock ...
Changing the plunger assembly on the AL-Series requires disassembling the chassis.  Refer to Plunger Assembly Instructions for guidance.
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...