How to Do Your Own Lock Repair
You can fix your locks yourself or employ a professional locksmith if they start to malfunction. Repairing locks can be a challenge and a wrong choice could cause more damage.
The first step is to confirm that the problem is not caused by dirt or dust. A Graphite-based spray or a silicone-based lubricant are a good choice to solve this issue.
1. Door Handle or Knob Lock
Over time, door knobs and handles could become loose. This can lead to a jiggly knob or handle that is difficult to open. extra resources is important to replace loose door knobs as they're not just annoying and can also compromise the security of your building. A doorknob that is loose is easy to fix. Based on the type of lock you have installed on your door, there are many solutions to fix it. Some systems have exposed mounting screws that are easy to access, while others have a backplate that obscures the screws holding it together. This is a more complicated method if your door uses a backplate that hides the screws.
Most doorknobs with interiors have a tiny screw referred to as an setscrew located on the inside of the knob, which prevents it from sliding over the spindle. This is a part of the latch assembly. If yours is jiggly it could be due to a tiny screw known as a set screw located inside the knob, which prevents it from sliding over spindle. Make use of flashlights to locate the set screw and use an Allen wrench to tighten it. Once the screw is tightened then turn the knob to test if it is solid.
If your knob is moving, it could be because the set screw hasn't been positioned correctly. Find a small button that matches the spindle, to ensure that the screw is in the proper position. Move the knob over the spindle after pressing the button using the flathead screwdriver. The knob should click into place when you do this, indicating it is properly positioned on the spindle.
After ensuring that the set screw is in the correct position then tighten it once more to secure the knob or handle in the correct position. This should solve the issue however, if it doesn't then you might require removing the knob and inspect the backplate for missing or loose screws. If this is the case, you'll need to replace these screws before you can re-secure the knob or handle. If you're not comfortable with this type repair, you must contact a professional locksmith who offers damaged lock repair to help.
2. The key won't turn in the lock.
There are several reasons why your lock key won't be turning. One of the most common reasons is that the pins within the cylinder have begun to wear out, which means they no longer have the proper shape to move the sliders, wafers, or tumblers that allow the key to open the lock. In this situation, spraying the lock with silicone-based lubricant or graphite spray can help coat the pins in order to enable them to move.
If the problem is more severe, and the key is bent, you may have to have it straightened by a professional. A professional locksmith can employ a specialty tool to straighten the key that is designed with an angled tip that fits into the groove in the key's tip. This type of tool cannot be found in hardware stores. However you can purchase an entire kit with the essential tools online or from locksmiths.
A dirty or contaminated lock is also a possibility. As time passes, dust will accumulate in the lock the cylinder, which may cause the springs and pins to swell up. In this case spray the lock with graphite or WD-40 spray to clear the pins and return them to their original positions.
If the key itself has become damaged, it could be a cause for concern. Keys are worn down with time due to repeated use, which will cause the groves to wear down or even become smoother. This can cause the key to not fit in the cylinder. It is important to check frequently to make sure that the key fits correctly.
In the winter months locks can freeze, which will prevent the springs and pins from moving when the key is put in. This can be a frustrating issue however it is usually solved by warming the lock with hot water and applying lubrication. If the lock is damaged beyond repair or has froze, it will need to be replaced.
3. The lock isn't turning
It can be a hassle to find locks that don't turn or open. If it happens frequently you may want to contact a locksmith to come examine the lock and see if they can assist. Fortunately, this isn't necessary since there are things that can be fixed without the need for professional assistance.
The key may not turn in a lock because it is damaged. You may experience this when you've lost your keys, or it is broken inside the lock. Rather than trying to fish it out of the lock, which could cause the damaged piece of the key to move further inside the mechanism and make the problem much worse Try using pliers with needles to remove it from the lock. Be careful not to break any broken pieces using the pliers, or you could end up damaging the lock.
You could also have a misaligned lock, which can cause the door to latch properly. If you have an additional lock key, you can try it to verify that the lock is working correctly. If you find that the lock isn't properly aligned, tightening the screws around the strikeplate can solve the issue and let the lock to function normally.
A lock may not turn due to dust or dirt. Using graphite sprays or a silicone-based lubricant can solve this problem by coating the pins in the lock, allowing them to move up and down as normal. It is important to avoid using products that contain oil such as WD-40 to solve this problem, however, because they can cause blockages later on.
It's also worth noting that there are certain kinds of keys that simply can't fit in all locks. If your key is one of these you might want to get a new key made at the local hardware store to ensure that it will work in the lock.
4. The Cylinder is Rotating
When a cylinder rotates in a confinement space, it can cause hairpin vortices to form that can result in significant forces on the cylinder. These forces are proportional the dimensionless curvature radius x and the confinement factor. The cylinder's head, tube and main body are made of aluminum alloy.
If you're able insert your key inside and turn it but the lock isn't turning, there may be an issue with the cylinder. Rekeying your lock may resolve the issue. There are kits designed specifically for this purpose and can be purchased on the internet or at the majority of big box stores.