Measure from the center of the knob hole to the center of the lock hole to determine the spread.
How to replace a door lock and handle.
Open the door for easy access to all fasteners and components.
When we moved into our home there were four different keyed locks to our house but we only had one key to one lock.
Before you begin make sure you have a new door lock set and a screwdriver or drill.
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.
In some cases door latch plate mortises might need to be cut or enlarged.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
The only difference is you usually need to replace both the deadbolt and the handleset.
Begin by removing the screws from the door knob on the interior side of your door.
Select a new mortise latch and hardware that you want to replace the old set with for your storm door.
Step 2 remove the old lock.
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.
To clean out buildup from the hole where the mortise was use a vacuum.
This allows you to pull the door.
Then for the exterior part of the door where the handle hardware was wiping with paper towel and a mild spray detergent should be sufficient.
Remove the interior knob and thumb turn lock hardware to expose the holes in the door.
Replacing the lock on a front door.
Installing the new lock is an.
Replacing your deadbolt and front door handleset is just as simple as replacing the other door knobs in your home.
Step 1 purchase a new lock.
Grasp both the interior and exterior handles or levers and carefully pull them away from the door.