Replace Door Lock On Old Door

Begin by removing the screws from the door knob on the interior side of your door.

Replace door lock on old door.

This high quality mortise lock is an excellent choice for new doors or as a replacement for a worn or broken early 20th century lock. On a replacement set with a one piece exterior escutcheon that holds both the lock cylinder and latch the spread must match the holes exactly. This allows you to pull the door knobs off the door from both sides. Go ahead and take your philips head screwdriver and pull out the screws that are on the base of the knob.

If you are able to gain access to the interior of the room through a window or some other means this is usually the easiest way to remove the lock. Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening. These are the parts used. First remove the old door lock by unscrewing the doorknob on the inside of the door.

Go ahead and remove the knob by. The most comprehensive method of ensuring security it involves removing the existing lock from the door including the handle if it s a handle lock combo and then installing. The screws may be obscured by the door handle so you may need to turn the handle to reach the screws. However calling a locksmith will generally set you back about 50 100 and you could probably do the job just as well yourself.

Measure from the center of the knob hole to the center of the lock hole to determine the spread. Both doorknobs should come loose from the door when you remove the screws. How to change an old mortise lock handle patio door with new 2019 parts. Many homeowners have old doors somewhere in the house that they no longer have the keys for.

Step 2 remove the old lock. Adorned in our exclusive antique by hand finish it ages gracefully over time into a beautiful natural patina. In some cases door latch plate mortises might need to be cut or enlarged. Remove the interior knob and thumb turn lock hardware to expose the holes in the door.

Prime line products c 1225 sliding door handle mortise st. If you have an old door lock that you need to replace whether it s because the lock is broken or you re simply concerned about a stray door key you could call a professional locksmith to come change the lock for you. The first step is to actually remove the old door knob. If you re replacing the entire lock start by inserting the bolt through the hole in the edge of the door where the old bolt fit.