Remiving A Mortise Entrance Lock From The Door

One of the few things graphite is good for is lubing the inside of a mortise lock body if it has a cylinder for a key lube with wd40 or similar light spray oil only no 3 in 1 no grease no silicone spray.

Remiving a mortise entrance lock from the door.

Pull the lock out of the edge of the door. Corrects the symptom where the key will spin without locking or unlocking the lock. Mortise locks may have wavered in popularity over the years but they remain a common way to secure a home. Examine the handle and trim on the interior side of the door.

A mortise locks has a pocket called a mortise that is cut into the door itself. Once you have removed the keyway from both sides there should be nothing but a couple of screws on the striker jam plate holding the bolt assembly. However many homeowners prefer the newer cylindrical type of lock set which doesn t require such a large pocket in a door. Replace the broken tail piece on key in knob or key in lever sets.

Insert the pin straight through the lock cylinder to reach the lock s release mechanism. Replace tailpiece on deadbolts and handle sets. Key will spin without operating the deadbolt. Remove the screws attaching the inside face plate to the edge of the door as well as the plates on the door faces.

The lock is encased in this pocket making it a more secure locking method. Use a screwdriver to remove all screws rather than a drill. Remove the face plates prying them up with the screwdriver if needed. If you re moving from a mortise lock to a knob set you ll need to first remove the mortise lock.

Prime line products classic bronze prime line e 2495 mortise keyed knob perfect for replacing broken antique lock sets and more fits 1 3 8 in 1 3 4 in. Removing a mortise lock. Removing a mortise lock requires no more tools than for removing a regular knob door lock. There may be a small pinhole holding the handle in place.

It may be very corroded and require a bit of persuasion to split the halves and remove from the deadbolt assembly. You need to remove the key set section as pictured on the left.