How to Remove a Schlage Interchangeable Core Lock

Insert the master control key into the Schlage interchangeable core lock. Insert the key fully up to the shoulder of the key. The shoulder is the corner between the cut part of the key and the part you hold to turn the key.

Turn the key clockwise 15 degrees or until the key stops. Do not force the key once it stops. You will feel the interchangeable core release.

Pull the key away from the Schlage lock bringing the interchangeable core with the key.