How To Fit A Cylinder Door Lock

Measure the size of the old cylinder.

How to fit a cylinder door lock.

Make sure you use the correct size. A cylinder lock has a latch which automatically engages into a keep when the door is closed. Select a lock with the same setback. This may be the case for example with a door that is less than 40 mm thick.

The cylinder should be inserted through the face plate and the back plate mounted on to the back of the door. 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. You ll now need to chisel out a recess for the lock to. Drill the cylinder hole by using an auger or expanding drill bit.

To fix this add a custom cut plate or a door reinforcer. Using the body of the lock as a template mark the. With a thin door like this the recess for a mortise lock would weaken the door structure too much. Push the cylinder out of the lock maybe you need to push hard step 2.

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. Many new lock sets allow you to adjust the latch to either distance. 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. Replacing a euro cylinder or upvc door lock a simple guide from www fastkeys co uk additional info step 1.

Remove the old cylinder from your door. Put it over the mounting plate so that you can pencil around the overhang. A new cylinder lock will usually come with fitting instructions and a template for marking the door but if you want to know how to go about it simply follow these steps. And if you want extra added security consider electronic door locks or even smart locks.

Next is to mark the lock body. Fitting sizes should be printed on the instructions that come with the lock. You ll then be able to screw the cylinder to the mounting plate.