This is the easiest way to rekey your door if you re giving the cylin.
How to change office door lock.
Insert the pin straight through the lock cylinder to reach the lock s release mechanism.
Apply a bit of pressure to the paper clip to trigger a release button inside the hardware.
Insert a straightened paper clip into this hole and apply pressure to release the interior handle.
You may also need to use a wire tool or a paper clip.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
This is a video on how to replace the key cylinder in a commercial storefront door.
There may be a small pinhole holding the handle in place.
Exterior door locks tend to be exposed to much more than just foot traffic.
To bump a lock the bump key is inserted into the keyway and pressure is applied via a hammer or a screwdriver.
At this exact moment if the right amount of torque is applied you will be able to unlock a door without a key.
Regardless the type of lock that you want to change will play a huge role in the final cost to change locks.
The pressure exerted on the bump key causes the key pins to push the driver pins above the shear line.
Begin by removing the screws from the door knob on the interior side of your door.
Once triggered the lever or lock trim can be removed from the door.
If any screws are exposed during this process remove them to release the lock and remove it from the door.
Then remove each side s door knob by pulling them away from the door.
This allows you to pull the door knobs off the door from both sides.
Examine the handle and trim on the interior side of the door.
Straighten a paper clip and insert it into the hole.
Use a phillips head screwdriver to unfasten the two or three screws located on the inside knob plate.
Remove the screws from the old lock on the inside of the door.
In some cases door latch plate mortises might need to be cut or enlarged.