Step 1: Remove The Lock

removing the lock from the door, making a new skeleton key for an old mortise door lock
Photo: Kolin Smith
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Loosen the set screw on one door knob and twist or pull it off the spindle, then pull the other knob and the attached spindle out of the hub. Cut through the paint around the faceplate and remove the screws, as shown. Stick the screwdriver through the spindle hub and pop the lock out of the door.
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    Tools List

    • bench grinder
      Bench grinder (optional)
    • warding file
      Warding file
    • table vise
      Vise

    Shopping List

    1. Penetrating lubricant, such as WD-40