How to change the lock cylinder in an entry door.
How to change a lock from an original door.
For rekeying the lock cylinder the locksmith must bring the lock to the unlocking position.
It is as simple as changing 3 screws removin.
Once the new pins are in reverse the steps to reassemble the lock.
Remove the two screws from the latch assembly on the side of the door.
Remove the strike plate on the door jamb as well.
If your new lock is the same brand and model as the old one you may be able to keep your existing latch plate and strike plate.
An experienced and professional locksmith can pick the lock open or shim the lock for unlocking it.
All you need is a screwdriver and the replacement lock.
You may also need to use a wire tool or a paper clip.
Step by step instructions on how to change a door lock.
Cylindrical door locks for entry doors are internal keyed locking mechanisms.
Use a phillips head screwdriver to unfasten the two or three screws located on the inside knob plate.
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.
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.
Remove the screws from the old lock on the inside of the door.