Alternatively you can buy a re keying kit for the lock you already have.
How to change locks on house doors.
Remove the rest of the deadbolt hardware from the door.
Remove the old strike plate and screw in.
The top of the cylinder contains pins and springs which keep pressure on the keyed pins.
To change the locks unscrew the door knob from the inside and pull the knobs apart.
For the cost of your normal trade service call fee a locksmith will come to your new home and rekey up to six keyholes on functioning non electronic deadbolts and knobs on doors accessing your home s structural walls.
Rekeying involves realigning the pins and springs in the inner workings of the lock in.
Next put a new latch in and replace the door knob.
Insert the old key and turn it either to the left or right.
Take your new deadbolt hardware and install it where the old one was.
Open your door so you can see the side of the lock the narrow part running along the inside of the door and locate and remove those screws as well.
Unscrew the two screws in the strike plate the metal plate surrounding the hole in the door jamb that the lock extends into when the door is closed.
By simply changing the deadbolts on all of the entryways to your home you can ensure no one can easily unlock the door and walk in.
Insert your new deadbolt.
Screw the new knobs into the door.
Once you have the kit remove the lock cylinder from the door knob so you can change the pins inside.
Insert the new knobs into the door opening.
Take care to measure carefully as matching the size can be especially problematic in older homes.
If you are at all worried about your safety or well being there is no reason not to do this.
To change the lock on a regular door knob first use a screwdriver to remove the door knob and the old latch.
As an american home shield member you simply submit a service request to have your locks rekeyed.
Tom recommends changing the locks whenever a new home is purchased.
Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions.
The door knob and dead bolt lock set tom demonstrated with was a plymouth single cylinder knob combo pack with a bright brass finish.
Remove the cylinder plug from the cylinder the most critical part of this operation is removing the cylinder plug from the cylinder.