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How to Do Your Own Lock Repair When your locks become faulty, you can try to fix them yourself or employ an expert locksmith. However, the process of fixing locks can be a challenge and if you don't follow the correct procedure, it could lead to further damage. It is important to first see if the problem is due to dirt or dust. upvc window lock repair RepairMyWindowsAndDoors -based spray or a silicone-based lubricant can be used to eliminate this issue. 1. Door Knobs or Handles that are loose Over time door knobs and handles could become loose. This can result in a jiggly knob or handle that is difficult to open. It is essential to replace loose door knobs as they can be a nuisance but also can affect the security of your building. A doorknob that is loose can be easy to repair. Depending on the type of lock you have installed on your door, there are many ways to fix this. Some lock systems have easily accessible mounting screws, whereas others use backplates to hide the screws. If your door uses the second type, this process might be more difficult. The majority of doorknobs for interior use are designed to slide over a cylindrical spindle which is mounted in the door as part of the latch assembly. If the knob you have is jiggly it could be because of a small screw, called a set screw, located on the inside of the doorknob, which is stopping it from sliding over the spindle. You can use an flashlight to locate the set screw and then tighten it with an Allen wrench. Once the screw is tightened, turn the knob to verify if it feels secure. If the knob is moving, it could be because the screw that sets it hasn't been placed correctly. To make sure the screw is in the correct position Look for a small, identical button on the spindle. Press the button using a flathead screwdriver, and then slide the knob over the spindle. The knob should move into the proper position after you have done this, indicating it is in the correct position on the spindle. After ensuring the set screw is positioned properly and tighten it once more to fix the knob or handle in the correct position. This should fix the problem, but if not then you might need to remove the knob and examine the backplate for loose or missing screws. If this is the case, you will have to replace the screws before you can secure the knob or handle. If you aren't comfortable with this type repair, you must seek out an experienced locksmith who can provide repair for damaged locks to assist. 2. Key Won't Turn in the Lock There are many reasons why the lock key might stop turning. One of the most common reasons is that the pins in the cylinder are worn out. This means that they no longer have a proper shape that allows for the sliders or wafers to be moved by the key. In this case an easy fix is to spray the lock with graphite or lubricant based on silicone to coat the pins and allow them move again. If the issue is more serious, and the key has been bent or twisted, you may need to get it straightened by an expert. A professional locksmith will use a special tool that has an angled edge that fits into the groove on the tip of the key. This kind of tool isn't available in hardware stores, but you can purchase an entire kit of the correct tools online or in an establishment that sells locksmith tools. Another possibility is that the lock has become dirty or contaminated. The accumulation of dust over time can cause problems within the lock's cylinder, and cause the springs or pins to become stuck. In this situation spray the lock with WD-40 or graphite spray to clean out the pins and restore them to their original position. If the key itself has become damaged, it could also be a problem. Keys are worn down over time through repeated use, which can result in the groves wearing down or even become smoother. This could result in the key not fitting properly into the cylinder, so it's crucial to pay attention and make sure that your key is fitted correctly. In colder weather, locks can freeze, which can stop the springs and pins from moving when the key is inserted. This is a problem that can be frustrating, but is usually easily solved by warming the lock with hot water and applying lubrication. If the lock is damaged beyond repair or has frozen, it will need to be replaced. 3. The lock isn't turning If you've had an unresponsive lock and isn't opened, it can be extremely frustrating. If this happens frequently, you may want to consider calling a locksmith to examine the lock to determine if they are able help. Fortunately, this isn't always required as there are things that can be easily fixed without the need for professional assistance. The key will not rotate in the lock if damaged. This can happen if you've lost your key or it's broken in the lock. Instead of trying to get it out of the lock which could cause the broken piece of the key to be pushed further into the mechanism and make the problem much worse Try using needle-nosed pliers to remove it from the lock. You'll want to be careful not to cut off any broken pieces with the pliers or you may end up damaging the lock. It's also possible that your lock isn't aligned correctly and this could cause the door to not latch properly. If you're fortunate enough to have an extra key, it can be tested inside the lock to ensure that it is working properly and doesn't cause the issue. If you do discover that the lock isn't aligned properly, tightening the screws around the strike plate will fix the issue and allow the lock to function normally. A lock might not rotate because of dirt or dust. Using a graphite spray or a silicone-based lubricant could solve this issue by coating the pins in the lock so that they are able to move up and down normally. You should avoid using oils-based products, such as WD-40 for instance, as they can cause more obstructions in the future. It's also worth noting that there are some types of keys that aren't able to fit into all locks. If this is the case, you'll need to have a new key made by a local shop for hardware. 4. The Cylinder Is Rotating When a cylinder is turned in a confinement gap, it can result in hairpin vortices which can cause significant forces on the cylinder. These forces are proportional to the radius of curvature that is dimensionless x and the confinement factor k. The simplified model described here explains the impact of these parameters on the force and torque of the cylinder that is confined. The cylinder's tube, head and main body are made of aluminum alloy. If you're able to insert your key inside and turn it but the lock is still rotating there could be an issue with the cylinder itself. Rekeying your lock may solve the problem. You can buy kits to do this online or in many big box stores.