You Testament Frequently catch mortise locks in older houses. Sometimes you corner to exchange the mortise lock cylinder when you are in the mechanism of restoring your at ease. Happily, the manner is easier than you conclude. All it takes is a inappreciable lifetime and patience.
Instructions
Trial for the keyway's position in the cylinder. On many mortise lock cylinders, the keyway is located at the backside of the cylinder.2.1. Disclosed the door on which you choice to modify a mortise lock cylinder. You'll jewel the contain plate that is over the mortise lock cylinder. Remove the two screws that enjoy the contain plate in accommodation, and lay them in a unharmed assign.
Appropriate off the encompass plate, and catch gone the screw that keeps the mortise lock cylinder in abode. On some mortise lock cylinders, there may be besides than one screw, chiefly if there is an inner and outer cylinder.
3. Remove the cylinder from the mortise lock by turning it counter-clockwise. Set it aside. Insert a new cylinder by turning it clockwise. Make sure you do not counter thread the new cylinder.
4. Make sure the mortise lock cylinder lines up properly so that the keyway is at the bottom, just as it was for the original mortise lock cylinder you replaced. Insert the set screw or screws and tighten them.
5. Test the lock to see if it works properly. If it doesn't, try turning the mortise lock cylinder one turn counter-clockwise, making sure the keyway is still at the bottom. If it still doesn't work, try getting trim rings from your local hardware store that will help the mortise lock cylinder you replaced fit better.
6. Put the cover plate back on the door so it covers the mortise lock cylinder, and put the screws back in.
