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.
How to change your house door locks.
Insert your new deadbolt.
Twist the knob on the turn assembly to expose the bolt holes.
Unscrew the two screws on the base plate of the door knob on the interior side of the door using a screwdriver with the appropriate head.
Pull out the two door knobs.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
To change the locks unscrew the door knob from the inside and pull the knobs apart.
Orient the turn assembly plate such that its top side is at the top.
Insert the pins and reassemble the lock.
Dump out the old pins insert the new key and use tweezers or small needle nose pliers to match the new colored pins to the color code on the special instruction sheet.
Rekeying involves realigning the pins and springs in the inner workings of the lock in.
Then remove each side s door knob by pulling them away from the door.
In apartment complexes this is now the most common way of changing locks on a door.
This allows you to pull the door knobs off the door from both sides.
Remove the rest of the deadbolt hardware from the door.
2 remove the two smaller.
Begin by removing the screws from the door knob on the interior side of your door.
Use a phillips head screwdriver to unfasten the two or three screws located on the inside knob plate.
You may also need to use a wire tool or a paper clip.
Take your new deadbolt hardware and install it where the old one was.
Position the lock mechanism such that the keyhole is vertically aligned.
On the opposite side insert the bar into the channel in the back of the turn assembly plate.
In some cases door latch plate mortises might need to be cut or enlarged.
The door knob and dead bolt lock set tom demonstrated with was a plymouth single cylinder knob combo pack with a bright brass finish.
Tom recommends changing the locks whenever a new home is purchased.
Once the new pins are in reverse the steps to reassemble the lock.