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How to Do Your Own Lock Repair You can fix your locks yourself or employ a professional locksmith if they start to malfunction. However, the process of fixing locks isn't easy and the wrong approach could lead to further damage. The first step is to confirm that the issue isn't caused by dirt or dust. A Graphite-based spray or a silicone-based oil can be used to eliminate this issue. 1. Door Knobs or Handles that are loose Door knobs and handles could get loose over time, which can result in a jiggly door handle, or a knobs that are difficult to open. Loose door knobs aren't just annoying but they can also compromise your building's security, which is why it's important to find and solve the issue quickly. A doorknob that is loose can be simple to repair. Depending on the type of lock system that is installed on your door, there are many options to fix this. Some lock systems have easily accessible mounting screws, while others use backplates to hide the screws. This method is more difficult if your door uses a backplate that hides the screws. Most interior doorknobs have a tiny screw referred to as an setscrew located on the inside of the knob to prevent it from sliding over the spindle. This is a part of the latch assembly. If the knob you have is jiggly it could be due to a small screw, called a setscrew, that is located on the inside of the doorknob which is hindering it from sliding across the spindle. Use an flashlight to locate the screw and use an Allen wrench to tighten it. Once it's tightened up, turn the knob to check if it no longer feels jiggly. If your knob is still moving, it could be because the set screw isn't properly positioned. To make sure the screw is positioned correctly you should look for a small, corresponding button on the spindle. Slide the knob over the spindle after pressing the button with the flathead screwdriver. As you do so the knob should click, indicating that it is rightly positioned on the spindle. After you've made sure the set screw is in the correct position and tighten it once more to fix the knob or handle in the correct position. If this does not resolve the issue, you may have to remove the knob from the backplate, and then check for loose or missing screws. If this is the case, you will require replacing these screws before you can re-secure the knob or handle. If you're not comfortable with this type repair, call an expert who specializes in repair of damaged locks. 2. Key Won't Turn in the Lock There are a number of reasons that your key may stop turning inside the lock. One of the most frequent reasons is that the pins within the cylinder are worn down. window lock replacement near me means that they no longer have the proper shape that allows the sliders or wafers to move with the key. In this case spraying the lock with lubricant made of silicone or graphite spray will coat the pins in order to make them move again. However, if the issue is more severe and the key is been bent out of shape, it may be necessary to have it straightened professionally. A professional locksmith will use an instrument specifically designed to straighten the keys, that is designed with an angled tip that fits into the recessed groove of the key's tip. This type of tool isn't readily available at hardware stores, however you can find an entire kit of the correct tools online or at an establishment that sells locksmith tools. A dirty or contaminated lock is also a possibility. Dust can accumulate over time in the lock cylinder and cause the pins or springs to get stuck. In this situation you'll be required to spray the lock with WD-40, graphite spray or a lubricant made of silicone to remove it and restore the pins to their original position. If the key itself is damaged, it could be a problem. In time, repeated use can wear down the grooves on a keys. This can lead to the key not fitting properly into the cylinder, so it is important to be aware and regularly check that your key is fitted correctly. Locks can freeze in the winter months. This will stop the springs and pins from moving when a key is placed. This can be a nagging issue, but is usually easily resolved by warming the lock with hot water and changing the lubricant. If the lock is damaged or frozen beyond repair, it will likely need to be replaced by an expert. 3. The Lock Isn't Turning It can be frustrating to find locks that aren't turning or open. If this happens frequently it is advisable to consider having a locksmith come and examine the lock to see if they are able help. Fortunately, this isn't always necessary since there are things that can be repaired without the need for professional assistance. The key will not turn inside the lock if damaged. It could happen when you've lost your key, or if it's damaged inside 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 pliers with needles to remove it from the lock. Be careful not to scratch the lock by cutting off any part of the broken key with the pliers. There could be a misaligned lock, which could cause the door to not to latch properly. If you have an additional lock key, you can test it to verify that the lock functions correctly. If you do discover that the lock is not aligned correctly tightening the screws on the strike plate could solve the issue and allow the lock to perform normally. A lock may not turn because of dirt or dust. This problem can be solved by using a graphite or silicone-based lubricant to cover the pins of the lock. This will allow them to move up and down in a normal manner. It's crucial not to use products that contain oil such as WD-40 to solve this problem, however, because they can cause blockages later on. It is important to remember that some keys simply won't fit in all locks. If your key is one of these, it might be time to purchase a replacement key from a local hardware store so that it can be used in the lock. 4. The Cylinder is Rotating When a cylinder rotates within a confinement gap it could cause hairpin vortices which can lead to significant forces on the cylinder. These forces are proportional the radius of curvature that is dimensionless x and the confinement factor k. The simplified model that is presented here will predict the effect of these parameters on the force and torque on a confined rotating cylinder. The head, the tube and main body of the cylinder are made of aluminium alloy. If you are able insert your key and turn it but the lock still rotates, the cylinder may be damaged. Rekeying your lock can fix this problem. There are kits specifically designed for this purpose that can be purchased on the internet or at most big box stores.