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How to Replace Lock on a UPVC Door If the multipoint lock isn't aligned properly with the frame, an uPVC can jam. The lock barrel can be replaced to resolve this issue. It is simple enough to fix yourself and doesn't require any special tools. You can find the size of the lock cylinder by opening the door. You can then find the right size lock cylinder that will fit your door. Remove the old cylinder If your uPVC door is squeezing or not closing properly, the problem may be with the lock cylinder. This is easily and inexpensively fixed by changing the cylinder. Always check the root of the problem before replacing it. It's possible that the frame and door aren't aligned correctly. This can make it difficult for the lock to shut. In this instance, it is advisable to contact an expert locksmith and pay for a service instead of trying to fix it yourself. Before starting the process, ensure that the door is propped open or secured safely to ensure that it doesn't close between steps. Then using a screwdriver take off the handle and loosen the screws that are holding it. Make sure to keep these screws in a safe location because you'll need them to reattach the handle. Once the handle is removed, you are able to access the lock the cylinder. Look at the edge of the cylinder and you'll find a screw, which typically has a different color than the rest of the screws on the uPVC door. Unscrew the screw, and then use a key to open the lock on the barrel. Once the barrel lock is unlocked, you can take it off and replace it with a brand new one. The cylinder is the portion of the lock that houses the tumblers and receives the key. When you insert the key, it aligns itself with the tumblers, allowing the barrel to rotate, thereby unlocking the door. However, it's not uncommon for these tumblers to get out of alignment, preventing the lock from working. It is crucial to replace your old cylinders with anti-snap and anti-bump cylinders. It is important to measure the spindle of the handle before purchasing a replacement cylinder to determine the right size. There are around 25 different sizes of cylinders and it is essential to purchase the correct size so that it will fit correctly within your door. Take into consideration the security level as some cylinders are more secure than other. Remove the lock barrel The lock barrel is the inner workings of a upvc door which houses the tumblers as well as receive the key. If the key that is correct is inserted into the barrel, it will align the tumblers, and then unlock the door. The barrel also houses the cam cylinder, which rotates to open and close the door. It is essential to know how you can remove the barrel from a upvc door to make repairs or to replace it if necessary. The first step in removing the lock barrel is to remove the screw that holds it in the first place. This screw is usually located in the escutcheon plate, and is easy to spot as it stands out from the rest of the screws on the door handle. It's often a different color, making it easy to locate it. When the screw is removed and removed, you can take off the handles that are inside and outside. After that, you'll be able to remove the door lock. It's recommended to keep an easy-to-use screwdriver that is flat since it will prove useful during the reassembly process. Make note of the position of each component when you remove the old lock. This will allow you to reassemble it in its original position. Also, look for indications of wear and tear, such as worn springs or rusty parts before proceeding. Install the new cylinder after removing the old one. The new cylinder can only fit inside the lock if it's the proper size. You should examine the length of the spindle on the door handle to make sure you are installing the correct cylinder. Compare this measurement to the spindle's length on the new cylinder to determine the right size. The process of changing your lock may seem intimidating, but it's actually very straightforward. You'll also save money by doing the work yourself instead of hiring a locksmith. Make sure you follow the steps below to ensure you don't damage your door. You may need professional help if you are not experienced. Install the new cylinder After you've removed the old cylinder, you're now ready to install the new one. You'll need to make sure that you get the right size cylinder, so that it will fit within the door handle. You can test the cylinder by turning it both left and right. If the cylinder has a key hole, you'll need align the key hole with the body of the lock to allow you to insert your key easily. After the new cylinder has been installed, you will need to secure it in place. Use a screwdriver to accomplish this, and be careful not to strip or cross-thread the screw. Once replace window locks is in place, test the lock to see whether it's locked or not. If it's not then you'll need to tighten the handle screw again. UPVC door locks can experience a lot of wear and tear, particularly if they're used frequently. This means that they're susceptible to a myriad of issues like the handle not functioning or the key getting stuck inside the lock. These issues can be resolved by changing the locking mechanism. If the handle on your uPVC is loose then loosen the screws that hold it. If this doesn't fix the problem, call an expert locksmith. They'll be able to repair or replace the handle and barrel of the lock. You may be enticed by the idea of changing the cylinder by yourself on your uPVC doors however, it is crucial to keep in mind that this work is best done by an expert. If you're not a qualified locksmith you could damage the entire system and compromising the security of your home. Before you purchase a replacement cylinder, it's important to verify if the lock you are purchasing is a multi-point lock. These locks are typically found on uPVC, aluminium and some wooden doors. These locks can be inserted into any door, so you need to choose the correct type of replacement lock cylinder to fit your door. Typically, they'll be bulb shaped cylinders with the key lock situated on the inside of the cam. Install the lock Replacing the lock cylinder on your uPVC doors is a good way to improve their security. However, you should be aware of the risks associated with lock snapping and it is recommended to employ a professional locksmith install the new locks. This way, you do not have to worry about a burglar who might break into your home. Door lock issues with uPVC are very common, but the good news is that a lot problems can be fixed without having to replace the door or handle. The most frequent issues are euro cylinders that are stuck or do not move and cause the key to not function or multi-point components that are not working. In some instances it is a simple adjustment all that is required, and it can be accomplished easily by anyone who has the proper tools. It is important to first determine the type of uPVC locking system you have installed on your door. This information is usually located on the label of the manufacturer close to the foot or head of your door. Once you have the manufacturer's name you can begin looking for a replacement. It is also important to measure your cylinder to ensure that you are getting the right size. To do this, you should measure from the center of the circular part of the keyhole to the middle of the square spindle hole. This is referred to as the PZ measurement. Once you have your measurements, you can purchase a uPVC handle that is the same dimensions and shape of the cylindrical. Make sure that the handle is in line with the length of the spindle since this is what connects the handle. Next, remove the handle that was previously used and put into the new one. Use pliers or a screwdriver to tighten the handle. Be cautious not to over tighten since this could cause damage. After the new handle is in place after which you need to screw the long screw back. This can take a bit of time, as you will need to place the screw in the correct position so that it is not catching on anything. You can then test your uPVC to verify that the lock is working properly.