Put the key in the door barrel from the inside.
How to change a upvc door lock barrel.
Locate the cylinder retaining screw using the cylinder as a guide and remove screw.
Slacken the handle screws.
Only remove the key from the lock once the retaining screw is secured back into place.
Open front door to reveal the face of the lock.
With a barrel lock it s the cylinder that allows the locking and unlocking of a door.
Move the key slightly to the left and slightly to the right pulling the key towards you at the same time until you feel it release.
This will become more obvious as you turn the key as the euro cylinder will suddenly lunge towards you.
Slightly loosen the door handle fixing.
The one presented here is a.