To change a upvc door lock start by unscrewing the retaining screw which is located on the faceplate on the side of the door.
How to change a yale door lock barrel.
In some cases door latch plate mortises might need to be cut or enlarged.
Simply reverse the process to install a new cylinder.
With a barrel lock it s the cylinder that allows the locking and unlocking of a door.
Finally insert the key into the new lock put the cylinder back in the door and screw the retaining screw back into place.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
Next once the cylinder is loose pull it out of the socket it s in and take the key out.
Then slip the lock box over the shank and wiggle it back into place over the shank and back plate.
Unscrew the screw on the faceplate along the edge of the door.
Once the new pins are in reverse the steps to reassemble the lock.
Put the key on the inside lock barrel and turn it slightly to the left and right wile pulling it toward you at the same time.
This allows you to pull the door knobs off the door from both sides.
The one presented here is a.
Begin by removing the screws from the door knob on the interior side of your door.
Re assembling a barrel or yale lock re assembling the lock is now a direct reversal of the procedure you used to dismantle it.
Eventually the cylinder will slide out.
Push the new cylinder or barrel back through the door and screw it to the back plate using the long screws you took out.
Then insert the key into the lock and turn it about 10 degrees to line up the inner latch of the lock with the body of the lock.
There are several types of cylinder locks.