Place the nuts and bolts aside.
How to remove lock cylinder from store room door.
Many homeowners have old doors somewhere in the house that they no longer have the keys for.
This is the easiest way to rekey your door if you re giving the cylin.
Locate the lock cylinder on the interior face of the door.
Slide the bars slightly away from the cylinder towards the vertical sides of the doorframe.
Another way to unlock a door without a key is to simply work on making the door and its accompanying door lock somewhat irrelevant.
If these doors are locked it can be difficult to remove the lock and replace it with a unit that works.
If you want to keep the lock handle and trim on a door but need to have the lock changed you can just replace the cylinder inside a pin and tumbler lock.
Push the cylinder out of the lock maybe you need to push hard step 2.
This is a video on how to replace the key cylinder in a commercial storefront door.
How to remove cylinder door locks.
Remove the nuts and bolts securing the lock bars to the cylinder with a wrench.
This can be done in multiple ways.
Measure the size of the old cylinder.
Unscrew the main screw red dot place the key inside the cylinder and turn it to the left or right to make sure that the carrier is parallel with the cylinder.