Test the lock by turning the key both right and left a few times and gently tug on the key when it is turned to both.
How to change a upvc door lock cylinder.
That s it the cylinder should be out of the door and you can measure it to see which size you need.
If it s hard to remove from the door try spraying a little wd 40 around the cylinder.
Open front door to reveal the face of the lock.
How to change measure a euro cylinder in a upvc or composite wooden door.
How to change and measure a euro cylinder in a upvc or composite door from www lockandkeyshop co uk shop for euro cylinders online.
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Slightly loosen the door handle fixing.
How to change a upvc door lock.