Change batteries without key

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When you want to periodically disable and block access to a certain room in a building or an entrance door, that’s when you would need to use a Lockout Cylinder. See full document.
Causes for AA battery drain in AD-Series LOCKS Possible Cause Fix/Corrective Action 1)      One the four (or eight) AA was inserted reversed and the rese...
Causes for AA battery drain in CO-Series LOCKS - Possible Cause Fix/Corrective Actions  One of the four AA batteries was inserted reversed and the reserved battery drains the other batteries. ...
The AD lock  battery pack type can be changed following this procedure:1. Disconnect the existing battery pack2. Depress and hold the SCHLAGE button for a few seconds to drain off any residual...
Two change or user keys are supplied with each lock.