Refer to this when you buy your new lockset to make sure the hardware is compatible.
How to install new locks on old door.
Open the door halfway and tap two shims one from each side between the floor and the door bottom to hold it steady.
With a square extend this mark across the door s edge and 3 inches onto one face.
If the screws for the new lock are slightly smaller than the old ones you can use a toothpick to a wedge between the side of the original screw hole and the new screw.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
Measure up from the finish floor 36 inches or the height of other knobs in the house and mark the door s edge.
Place the lock plate on.
How to install new door locks 1.
Simply break the toothpick off after inserting it.
Remove the existing door lock from the door if there is one.
Open the door and remove the screws from the interior.
If you re installing a lockset in an existing door take out the old lockset and measure the backset the distance from the door edge to the center of the lockset hole.
The measurement is usually 2 3 8 inches for interior doors and 2 3 4 inches for exterior doors.
If the new plates are slightly larger than your old deadbolt mark a line around the new faceplates and chisel.
Install the faceplate on the edge of the door and fasten it with the screws provided.
Insert the new lock assembly into the door with the slanted side of the lock facing the direction that the door.
Insert the new bolt into the hole for the bolt mechanism and secure it to the edge of the door with two screws.