That s it the cylinder should be out of the door and you can measure it to see which size you need.
How to change a upvc door lock cylinder.
How to change and measure a euro cylinder in a upvc or composite door from www lockandkeyshop co uk shop for euro cylinders online.
Only remove the key from the lock once the retaining screw is secured back into place.
How to change measure a euro cylinder in a upvc or composite wooden door.
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.
If you have any upvc lock issues and need a locksmith why not contact us and leave it to the professionals.
Slightly loosen the door handle fixing.
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How to change a upvc door lock.