You can tighten a simple interior mortise lockset like the one shown at left as follows.
How to repair mortise door lock.
Notice the set screw on.
If the latch sticks the knob may be screwed on too tight.
Meet the mortise lock and door knobs.
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.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
The knob and or the spindle may.
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.
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A video that shows how to remove a mortise door lock and take it to a locksmith for repair and re install the lock.
This mortise lock set is installed in a 1930 colonial in the boston area.
The easiest fixes are.
Remove a knob from the spindle.
Loosen the set screw.
Remove the front face plate from the lock that is visible on the edge of the door.
Cleaning and repairing an antique mortise door lock.
Try loosening the flathead screw on the base of your doorknob.