From there you can either widen the hole both of the wood and metal or you can unscrew the strike and re secure it in the proper position.
How to fix a mortise door lock.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Cut through the base of the cuts to empty the mortise of excess wood.
How to fix antique mortise door mechanisms 1.
Make a series of closely spaced cuts into the mortise area.
Most mortise locks are mounted with screws driven through the face plate into the door edge.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
Try loosening the flathead screw on the base of your doorknob.
1 loosen the setscrew on the knob s shank.
Meet the mortise lock and door knobs.
Examine the mortise lock.
By shutting your door you can mark the point on the door frame that latch is coming in contact with.
3 if this does not help remove the knob.
Notice the set screw on the base of the knob on the right.
Then on the faceplate loosen the setscrew opposite the lock cylinder and unscrew the lock cylinder.
Loosen the setscrew securing either one of the doorknobs to the square knob shaft.
The knob and or the spindle may.
If the latch sticks the knob may be screwed on too tight.
Don t be afraid to use a liberal amount of oil a sticky lock needs the attention.
Starting at the top of the faceplate outline make a series of closely spaced chisel cuts about 1 8 inch deep inside the marks.
If the thumbturn for the deadbolt is causing the bolt to jam and lock you out when it s in the wrong position you may.
Do the same for the recessed patch on the edge of the door.
This screw should hold the knob securely to the spindle when you turn the knob.
Hold down the spray button until the wd 40 begins to overflow from the lock opening.
To remove a mortise lock set cylinder for repair see illustration for how to tighten a loose doorknob remove the deadbolt knob by loosening the setscrew in the sleeve of the knob using a standard screwdriver or allen hex wrench or by removing any mounting screws.
Place strips of tape around the exterior and interior patched holes to protect the finish on the door.
The easiest fixes are.
Soften the paint.
If you have questions please ask.
Today we are discussing how to remove an entry mortise lock with a thumb latch on the exterior instead of a regular knob.
This mortise lock set is installed in a 1930 colonial in the boston area.
The fix a short term fix is to move the strike plate to align better with the stuck door latch.
Lightly sand the patched areas.
