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 a brand new lock in.
How to change door handle lock.
Use a phillips head screwdriver to unfasten the two or three screws located on the inside knob plate.
Remove the latch and.
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.
Remove the screws from the old lock on the inside of the door.
You may also need to use a wire tool or a paper clip.
Once the new pins are in reverse the steps to reassemble the lock.
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Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
Use a screwdriver or drill with a screwdriver bit to remove any visible screws.
If the deadbolt comes with an interior plate and a decorative.
Grasp both the interior and exterior handles or levers and carefully pull them away from the door.