Removing d series deadbolt

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Schlage and Falcon double cylinder deadbolts have concealed screws to prevent tampering. The two methods used to conceal the thru-bolts are using screw caps or a faceplate. Use the below instructio...
This is usually caused because the wrong tailpiece is being used on non-IC cylinders or the incorrect driver for IC options. Use the below descriptions to identify which they need.NON-IC: There are...
After rotating  the key to unlock the lock, you must return the key to its normal position to remove it. 
To remove the M lock trim follow the steps below in reverse.       The M lock spanner wrench is 021415.  Although this wrench is no longer available from&n...
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 ...
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. ...
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...
Many problems with AD-series locks can be resolved by performing a Factory Default Reset (FDR).  This process will clear the memory and any stored configurations, re-enabling default...
To perform an FDR on an AD-series lock: 1.     Remove the inside top cover of the lock.  This will expose the main board and activate the tamper switch.   2. &...
Note: An FDR cannot be performed if an HHD is plugged into the lock.