Drill the cylinder hole by using an auger or expanding drill bit.
How to fit a cylinder door lock.
Using the body of the lock as a template mark the.
Unscrew the main screw red dot place the key inside the cylinder and turn it to the left or right to make sure that the carrier is parallel with the cylinder.
You ll now need to chisel out a recess for the lock to.
Put it over the mounting plate so that you can pencil around the overhang.
Watch our step by step video showing how to change a euro lock cyliner with expert advice and top tips to help you complete the job with confidence.
Measure the size of the old cylinder.
To fix this add a custom cut plate or a door reinforcer.
To avoid splintering as the drill passes through the thickness of the door to the other side hold a block of wood on the opposite side of the door to allow the bit to drill into it on the other side.
Replacing a euro cylinder or upvc door lock a simple guide from www fastkeys co uk additional info step 1.
Next is to mark the lock body.
Make sure you use the correct size.
Select a lock with the same setback.
With a thin door like this the recess for a mortise lock would weaken the door structure too much.
A cylinder lock has a latch which automatically engages into a keep when the door is closed.
Push the cylinder out of the lock maybe you need to push hard step 2.
Many new lock sets allow you to adjust the latch to either distance.
You ll then be able to screw the cylinder to the mounting plate.
Open front door to reveal the face of the lock.
And if you want extra added security consider electronic door locks or even smart locks.
Remove the old cylinder from your door.
This may be the case for example with a door that is less than 40 mm thick.
If it is not possible to use a mortise lock you can fit a rim lock which is mounted on the surface of the door.
The cylinder should be inserted through the face plate and the back plate mounted on to the back of the door.