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How to Replace Lock on a UPVC Door A uPVC door can become blocked when the multipoint lock becomes not aligned with the frame. The barrel of the lock can be replaced to resolve this issue. This is an easy fix that doesn't require special tools. You can determine the size of the lock cylinder by opening the door. Then, you will be able to determine the correct size lock cylinder for your door. Remove the old cylinder The lock cylinder could be the reason behind your uPVC doors not closing correctly. It can be easily and cheaply solved by changing the cylinder. However, you should always look into the root of the problem before making a decision to replace it. It's possible that the door and frame aren't aligned correctly. This can make it difficult for the lock to be shut. It is recommended to call a locksmith to solve the issue rather than try to fix it yourself. Before starting the process, make sure the door is propped open or secured in a secure way to ensure that it doesn't close between steps. Then, take the handle off with a screwdriver, and then remove the screws that hold it. Keep the screws in a secure place as you will use them when you reattach the handle. You can access the lock-cylinder by taking off the handle. There is an unintentional screw at the edge of the cylinder, which is usually a color different from the screws that are on uPVC doors. Unscrew this screw and then use a key to unlock the barrel lock. Once the lock is unlocked, take it off to replace it with a new one. The cylinder is a part of the lock which houses the tumblers and also holds the key. When you insert the key, it aligns itself with the tumblers and allows the barrel to rotate, thereby unlocking the door. It is not uncommon for the tumblers get out of alignment, preventing the lock from working. It is important to replace your old cylinders with anti-snap, anti-bump cylinders. It is recommended to measure the spindle of the handle prior to purchasing a replacement cylinder in order to determine the appropriate size. There are approximately 25 different sizes of cylinders and it is crucial to select the right size so that it will be able to fit in your door. Consider the security level as some cylinders are more secure than others. Take off the barrel of the lock. The lock barrel is the inner workings of a door made of upvc that houses the tumblers and accept the key. The barrel will open the door when the correct key is used. The barrel also contains a cylinder cam that rotates to open or close the door. It is essential to know how you can remove the barrel from a upvc door to repair it or to replace it if needed. The first step to take off the lock barrel is to remove the screw that holds it in position. This screw is usually set in the escutcheon, and is easy for you to find because it's a different colour than the other screws on the handle. When the screw is removed it is possible to remove the outer and inner handles. After that, you'll be able to dismantle your door lock. It's recommended to keep a small screwdriver with a flat head since it will prove useful during the reassembly process. When you're removing the old lock, take note of where each part was placed in order to place them back in their original places in the process of reassembly later. Before proceeding, look for signs of wear, such as worn springs or rusty components. Install the new cylinder after removing the old one. The new cylinder can only fit into the lock if it's the correct size. It is recommended to measure the spindle length on the door handle to ensure that you are installing the right cylinder. Compare this measurement to the spindle length on the cylinder you're replacing to determine the right size. It might be difficult to change your lock, but the process is very simple. Besides, you'll save money by doing it yourself, rather than hiring an expert locksmith. Be sure to follow the steps below so you don't damage your door. You may need professional help If you're not an expert. Install the new cylinder Install the new cylinder after you remove the old one. You'll need to make sure that you buy the correct size cylinder so that it fits correctly within the door handle. You can test the cylinder by putting it in and changing it between the left and right positions. If the cylinder has a keyhole, you'll have to align the keyhole with the body of the lock so that you can insert the key easily. Once the new cylinder is installed and you're ready to screw it back in place. To do this, use a screwdriver and make sure to not strip or cross-thread it. Once the screw is in place, test the lock to see if it's locked or not. If it isn't you'll have to tighten the screw once more. UPVC door locks can suffer an extensive amount of wear and tear, particularly if they're used frequently. They are prone to a range of issues including the lock handle not being able to function or the key getting stuck in the door lock. This issue can be fixed by altering the locking mechanism. If your uPVC door's handle is not tight try loosening the screws holding it. If this doesn't solve the problem, call an expert locksmith or specialist. They can fix or replace both the barrel and handle. You might be tempted by the idea of changing the cylinder by yourself on your uPVC doors however, it is crucial to remember that this task is best done by an expert. If you're not a qualified locksmith, you could end up destroying the entire system and even compromising your security at home. Before you purchase a replacement cylinder, you must verify that the lock is a multi-point type. They are the types of locks found in uPVC doors, aluminum doors and a few wooden doors. These locks can be set with either hand. You'll need to choose the right replacement lock cylinder. They are typically bulb-shaped cylinders, with the key lock on the inside of the cam. Install the lock Replacing the cylinder of your lock on your uPVC doors is a good option to increase the security of your doors. However, double glazed window lock repair should be aware of the risks of snapping locks which is why it is advisable to have an expert locksmith install your new locks. You will not need to worry about a burglar entering your home. Upvc lock issues are common. The good news is, many of them can easily be repaired without replacing the door or handle. The most common issues are euro cylinders which are stuck or refuse to budge and cause the key to not work or multi-point parts that are failing. Certain cases can be resolved by a simple adjustment, that anyone with the proper tools can accomplish. First, it is important to know the kind of uPVC lock that is used to lock your door. You can usually find this information on the label of the manufacturer near the foot or head of your door. Once you have the name of the manufacturer you can begin looking for an alternative. It is also crucial to measure your cylinder to ensure that you are getting the right size. To accomplish this, you need to measure from the center of the circular portion of the keyhole, to the center of the square spindle hole. This is called the PZ measurement. Once you've gotten your measurements, you can choose a uPVC handle that is the same size and shape of your cylinder. It should match the spindle as well as the handle. Then, remove the handle that was previously used. Screw in the new handle. Make use of pliers or a screwdriver to tighten the handle. Be cautious not to over tighten since this could cause damage. After the new handle has been put in place after which you will require the long screw to be screwed back. This can take a amount of time as you must get the screw in the correct position to ensure that it's not touching something. Then, you can test your uPVC to verify that the lock functions correctly.