Jammed Mortice Lock Back Door

Use a file to widen the hole on the strike or remove the strike with a screwdriver and reposition it on the jamb.

Jammed mortice lock back door.

Consider covering the area of your door around the lock to guard it from stray graphite particles 4 inject some powdered graphite into the lock. Wiggling the door when turning the key did not work. Soak your door lock in kerosene for 24 hours if it isn t attached to a door and has been rusted shut. With the jammed one there is no or very slight resistance for a quarter turn then a complete block.

When you are trying to figure out how to fix a door lock that is jammed it is necessary to stay patient to avoid causing further damage. Check the alignment of the deadbolt against the strike on the jamb if the lock is difficult to turn when the door is closed or the door doesn t lock at all. If you do not have a proper broken key extractor you can use a jigsaw blade or a pair of tweezers. Remove the cover or faceplate of your mortise lock or surface mounted rim lock to repair it.

Slide in the card forcefully and play with it a bit while shaking the door a bit too at the same time. A broken key extractor is one of the easiest ways how to fix a door lock that is jammed in this way to open. A credit card between the door and the frame where the latch is located. Letting the components sit fully submerged in a vinegar of about 5 acidity will do the job of separating the gunk from your metal.

With another mortice lock i have chubb again i believe when unlocking there is steady pressure when the key engages for half a turn then it unlocks. The first thing you can try for opening a jammed latch is to slide a plastic card e g. This illustrates why you shouldn t leave the key in a mortice lock. This illustrates why you shouldn t leave the key in a mortice lock.