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Front Door Lock Barrel Replacement Front door barrel replacement for locks is a fairly simple DIY project that can save you the cost of calling locksmiths. You can purchase kits that come with all the tools you need. You'll need a new cylinder lock barrel as well as a reliable screwdriver set as well as pliers or hammers for added grip and lubricant. Length There are many lock barrels available to ensure your front door is as safe as possible. When you are choosing a new lock type, the length can be crucial to the security of your home. Cylinders that extend too far are prone to snapping and those that are too small can prevent you from turning the key to unlock the door. There are many ways to determine the proper length of cylinder, so you can purchase a replacement that will give your door the best protection. To determine the correct size of the cylinder, take out the old one from the door. Utilizing a screwdriver, remove the screws that hold the lock cylinder in place. After the cylinder has been removed and you are able to measure the distance from the centre screw hole of the cylinder to the edge of the handle plate on the inside of the door. Include the thickness of the plate as well. You can also determine the length of the threaded shaft on the new cylinder to determine the size. Install the cylinder inside your door after determining its length. Start by drilling a hole through the door. This is where the handle will be placed. It should be slightly larger than the diameter of the new cylinder. Then, attach the handle or knob to the handle you want to replace, making sure that it goes through the spindle of the latch and operates smoothly when turned. When replacing a deadbolt, you should also upgrade your strike plate. The strike plate is the piece of metal that attaches to the doorjamb and locks into the bolt once it's pushed in by a key. It's crucial to replace this plate with a more secure version that is more difficult to breach. Choose strike plates with a reinforced design that can stop kick attacks, and make sure the screws are at least 2.5-3 inches long to ensure they penetrate deeply into the door jamb. Design The lock cylinder is the component of your front door lock that you use to open and close the handle. It is equipped with pins that move into position when you insert the key. When it comes time to select the correct cylinder for your lock, you'll need to be aware of a few things. For instance, it's crucial to measure the length of your current lock to ensure you purchase the correct size. You will also need to think about any door furniture like handles and escutcheons. Euro cylinder locks are common in the home, and are available in a variety of designs. Some are double cylinder locks that provide security from both sides of the door. They are typically used on doors that need more security than conventional locks, as well as in commercial buildings with a few. If you're looking to purchase a new lock, ensure that it's British Standards approved and meets the following requirements: Anti-Snap – A burglar can attempt to snap a lock by applying pressure to the exterior of the door. To prevent this from happening, a thin sacrificial strip must be cut into the cylinder. Anti-Drill: Some burglars are able to penetrate the lock to gain entry into homes. To prevent this the pins of a cylinder should be made of hardened metal. When you are looking for a new cylinder, you should also check if it's anti-drill. This will prevent thieves from drilling into the plug with an electric drill and then breaking it into pieces. If you've decided to purchase a new cylinder lock you'll require the materials for installing it. This includes a screwdriver appropriate for the job, as well as an hammer and pliers to provide added grip. You should also have some fluid to ensure that the mechanism is operating smoothly. Before upvc door lock replacement Repair My Windows And Doors begin, be aware that changing the barrel of a lock on a uPVC door can be difficult. If you're not confident about the job, it is best to call in a specialist or locksmith to assist you. Keyway Keyway is the shape that the interface between cylinder pins and the key has. The key's “blade” is made up of a series of grooves and ridges that run along its length. When the key is inserted, they align with the pins of the cylinder. This is how the cylinder detects the correct key, and allows it to turn. Each brand of lock has a distinct keyway that allows it to be unlocked or locked with specific keys. There are a variety of keyway sizes and shapes within a single brand. This gives a certain level of security to different locks since keys of the same brand cannot be used to unlock each other's. In most homes the latch is operated using a lever, which can be pushed down or lifted to open the bolt. This is typically more comfortable than using a knob, which requires you to turn it. However, some commercial settings still use knobs for added security. If the correct key is inserted, the spring-loaded pins are shifted into position allowing the plug to rotate. The pins also align with grooves on the key's blade, recognizing the correct key and denying access. If the cylinder or key is not inserted correctly, the pins will move to the control shear rather than the operating line. The lock won't open. In this particular image it's possible that the cylinder was previously changed into a new key, which is a process in which the pins in the cylinder are moved upward to the proper height so that the key can freely move within the cylinder. This is common when keys need to be transferred from one lock to another in the dormitory. People often have their locks rekeyed when they move or want to allow access to a new roommate or employee without the need to change all of the locks to the same key. This is an affordable option to increase security in a home, and is usually accomplished with only the key cylinder. Installation It is simple to replace the barrel of a lock in the uPVC door. The first step is to find the screw that is under the lock at the edge of the door. It typically stands out from the rest of the screws as it has a different color. Then, you can remove it using a Phillips screwdriver. Next, take the new barrel and place it into the last hole. Then, place the knob with the new barrel and push rod back into position. It is important to check the position of each component (the barrel as well as the push rod and lever housing / spring) before you begin assembling. Once the handle and knob have been removed, you are able to access the lock body by loosening the set screw that holds it in place with an screwdriver. After this is done the cylinder is rotated counterclockwise in order to loosen it. You can now either remove the cylinder and get it “re-keyed” or keep it in place. Re-keying does not alter the pins in the cylinder. It will simply shift them into the proper position using the key that matches. The other alternative is to simply take off the cylinder and replace it with another. If you decide to do this, it is crucial to choose the same size as your previous cylinder, and ensure that the pins are positioned properly to allow the lock to function correctly. After installing the new cylinder, it's a good idea for you to apply lubrication to it to make sure that everything moves smoothly. If you have a mortise lockset, the process is slightly more difficult. This kind of lock is installed inside a pocket (mortise) cut into the edges of the door, so it requires careful measurement and perhaps a few tries to get the latch and bolt sections to line up. Once they do then you'll have to remove the strike plate (which is secured by screws that are located on the both sides of the door frame) and the latch bolt, which is an arduous task if you do not have the proper tools.