How to change a Euro Cylinder

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November 29, 2022

Locksmiths DIY

How to change a Euro Cylinder lock

Euro Cylinders

European cylinder is the most common cylinder to operate locks in the western world. As locksmiths working in Amsterdam, providing mainly mobile locksmiths services, we come across the euro cylinder quite a lot. As its name suggest, the euro cylinder is wide spread in Europe and used to operate many locks on residential or commercial doors. The euro cylinder is common as its pretty reliable and easy to replace. “pretty reliable” means that still things can go wrong with that cylinder and “easy to replace” means that if you know how to do it, it’s pretty easy to do so. As we receive many questions from our clients in Amsterdam about how to replace a euro cylinders without the need to call a locksmith, we put together this manual to help you be your own locksmith and do it yourself. Let’s get straight into it.

What is a Euro cylinder?

A euro cylinder is the name for a cylinder with a European profile to fit and operate door locks. The euro cylinder is commonly used by our locksmiths in Amsterdam and locksmiths anywhere around the world and it is the mechanism that activate the lock’s mechanism in order to lock and unlock a door. The euro cylinder usually comes in one size profile but smaller sizes are also available, just not very common and spread out. The euro cylinder is inserted into the lock body and held in place with a mounting screw that goes from the door’s edge, through the lock’s body, into the euro cylinder side and screw into it (see below for more details). The euro cylinder can come in many lengths, and the required length is determined by the thickness of the door. Put it simply, the cylinder should be the exact length of the door or longer, to fit your door. Euro cylinders come in different colours to fit different doors or locks styles; gold, silver, brushed aluminium and more.

Change a Euro cylinder lock DIY

Reasons to replace Euro cylinder

There could be few reasons to replace a euro cylinder.

Changing your key – in order to change your key to a new one for a lock operated by a euro cylinder there’s no need to change the entire lock. Changing the euro cylinder will be good enough as the new cylinder will have new key to activate your locking mechanism.
Lost keys – if you loose your key you could obtain a new one by simply changing the cylinder that operate the lock. This will give you new set of keys for your door.
Faulty cylinder – as they are quite dependable, euro cylinders might also break and become dysfunctional. This will normally happen when there’s pressure on the latch by the door’s frame, and this will make the cylinder hard to turn and eventually the cylinder will break.

How to replace a Euro Cylinder

So how to replace a euro cylinder?

Find the mounting screw that hold the cylinder into place. That screw will be placed and found on the side of the door, above or below the latch. The mounting screw will point into the side of the cylinder. If you can not locate it at that spot, try to remove the cover plate covering the latch. Sometimes the screw will be under it.
Unscrew the mounting screw holding the cylinder in place. You should immediately feel how the cylinder becomes loose to the touch when you grab it. If the cylinder stays tight to the door when you unscrew the screw, you are unscrewing the wrong screw. Remove the mounting screw.
Insert the key in the key hole. You will need to turn the key in the cylinder in order to have it removed off the door. Pull the cylinder out of the lock as you turn the key. The cylinder should slide out and come off the door. You might have to apply some pressure if the lock is a little old or have dirt inside it.
Insert the new euro cylinder into the cylinder hole after the removal of the old cylinder. Press and push it into the lock through the cut of the door. The cylinder will not go all the way in. That is ok.
Insert the new key for the new euro cylinder into the cylinder and turn it. While you turn the key, push the cylinder into the lock’s body. The cylinder should slide into place. Use mild force if necessary as the lock’s body can have dirt or rust on it.
Insert the mounting screw through the lock’s body into the cylinder and tight it. You will have to feel and guide the mounting screw into the euro cylinder’s body and screw it in. You should feel how the cylinder became stable while it’s mounted into the lock.
Test the key and make sure that the cylinder operate the lock properly. Test it when the door is open before you test it while the door is shut. The last thing you want is for the cylinder to stop working while the door is shut and locked.
You’re done!

Conclusion

Following the steps above you could change a euro cylinder for a new one to be fitted for your lock. Remember that a locksmith work is to do this for you and in need, contact your local locksmith for help. Locksmiths are professionals and have the right tools and skills. In Amsterdam you can call us 24/7 for our mobile locksmith service. We will be happy to assist you any day, any time.

How to change a Euro Cylinder

Change a Euro cylinder lock DIY

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