How to Repair a Bad Patio Door Lock
A safe patio door is a crucial element of home security. It can be a hassle if your door is difficult to lock.
In most instances, a locked that is not working is the result of an incorrect alignment or simply wear and tear. It may be possible to restore the function of the lock by adjusting it or lubricating it. If these troubleshooting techniques fail, you may need to replace both the mortise and handle.
Clean and Lubricate
A door lock may be difficult to open and close over time due to dust, dirt and grime. Regular cleaning and lubrication could help prevent your security device becoming stiff or stuck. This will save you money in repair bills and extend the life of your door.
To begin, you'll need to clean the lock's the cylinder. To do this, use spray cans of penetrating oil, like WD-40. Spray a small amount into the keyhole and work the key through and out to spread the oil. Do not use solvents like household oil or other which could damage your locks. Spray a small amount on the key.
After cleaning your lock's cylinder, it's time to lubricate. You can apply an oil spray made of silicone or a dry lubricant, such as graphite powder. Graphite is a long-lasting lubricant that doesn't attract dust, unlike liquid fluids. It's a great choice for locking lubrication. Silicone sprays are water resistant and can withstand moist and cold temperatures, however they may require multiple coats to be effective.
You can also use de-icer spray, which is specifically specially designed for cold weather. It will break up frost and ice off the mechanism of your lock. A few coats of this will help your lock unlock and then lock more easily.
The climate will determine how often you should lubricate locks. A coastal location will expose your door to salty air, which can cause corrosion. Temperature changes can affect the efficiency of your lock. The general rule of thumb is to lubricate your locks twice per year and more frequently when you live in an area with extreme weather conditions. Lubricating your locks will save you money on repairs and ensure that your patio door continues to function as it should for many long time to come.
Reposition the Lock Cylinder
If your patio door lock isn't working properly, it could mean that one or more of the components are damaged or misaligned. Regular inspections and timely repairs of a damaged lock on your patio door could stop further damage and increase the security of your doors. To fix a locked or non-locked patio door, tighten loose screws and adjust the lock mechanism or replace the lock cylinder.
Begin by looking at the exterior and the interior of the lock to determine whether there are signs of damage or misalignment. Often, patio door locks expand and contract in warm or cold weather, and can shift slightly over time. This slight movement can cause the locking mechanism to stop aligning correctly and can cause issues when opening or closing the door.
Then, look over the lock cylinder to find any obstructions in the keyway hole. A corroded or blocked cylinder can be difficult to open and could eventually cause damage to the lock pins, cam or latch springs. If the cylinder is difficult to insert, you might be able to remove any obstruction using a pair of tweezers, or a picklock. If the problem persists it may be necessary to remove the cylinder and disassemble it to find the source of the obstruction.
If the lock cylinder hasn't been screwed to the body of the lock it can be removed by removing the screw on the faceplate of cylinder. This screw will let you rotate the cylinder, and could even aid in restoring the alignment.
Look for an elongated tab that is movable with the key. It's usually located at the end. This small clip, sometimes called a "release Tab", prevents the cylinder from sliding into the lock body all the way. The tab can be moved back by using a standard key. This will allow the cylinder to be removed, then reinserted.
If your lock cylinder is stuck, you may be able restore proper alignment by rotating it until the latch bolt connects with the strike plate, and the knob or handle can be pulled in and out. Reassemble the lock once you have restored the proper alignment. Test it to see if it works. If your patio door lock remains difficult to use, it's a sign that a component, like the latch spring or latch is worn or damaged and will require replacement.
Tighten the Screws
Over time, regular use temperatures, cold and hot weather dust, dirt and even dirt can take their toll on patio door locks. If not properly maintained the delicate parts could get worn out and cause your door to not lock properly. Fortunately, the majority of lock issues can be fixed easily with a few simple maintenance steps.
It is recommended to first clean the lock mechanism. Use a dampened cloth to remove any dirt or dust that might be found. Then, dry the components thoroughly. After cleaning, a small amount silicone-based lubricant will help keep moving parts running smoothly and efficiently. Avoid lubricants with oil bases, however they could draw dust and dirt which can cause further issues.
Then, if your patio door is equipped with a security foot lock ensure that the foot lock is properly aligned with the strike plate. In the majority of instances, this will require changing the screws that attach the foot lock to the frame of the patio door. Loosen the screw using the Robertson screwdriver, and then gently push it up or down to adjust the foot lock as required. After the adjustment is completed you can tighten the screw.
The most common problem when it comes to repairing patio door handles is the misalignment of the strike plate and latch. This could be due to everyday wear and tear, or the latch may be positioned lower or higher than it should be.
Begin by removing the handle, and then locate the screws or bolts which hold it in place. Make sure to keep track of them as you will require them when installing the new handle. Then, take off the old spindle, then slide the new spindle into position on the inside of the door, ensuring that it is in alignment with the holes in the interior and exterior handles. Once the new spindle is installed put back the handles on the exterior and interior to ensure that they are in alignment with the bolts or screws that secure them.
Close and lock the patio door after you have made any adjustments that are required. If everything is in alignment, the door will open and close without any additional force. If you're still having trouble it could be necessary to move the latch or strike plate, or the lock cylinder may be damaged and require to be replaced.
Replace the latch
If your patio door locks are not working, it could be time to replace the lock. The replacement of a lock is a relatively simple home improvement task that many homeowners can do themselves. Begin by sliding the patio door all the way open and removing the existing lock from the interior side of the door. Review the lock to determine the type of lock that you'll require.
Before installing the new latch take off the screws that secure the strike plate (the part of the lock that's mounted on the outside edge of the door frame) and adjust it vertically or horizontally to align it with the latch hole in the jamb of the door. After you've adjusted the latch plate you can tighten the screws, then screw it in place.
When all the components of your patio door have been repositioned or replaced, reassemble and secure them as directed by the manufacturer. Once you're finished checking the latch. Check to see if patio doors repairs fits correctly and is secured when the door is closed. If it does, your patio door lock is working just as it should and is able to provide the security and privacy you've come to expect from your doors.
Like other parts of your house must be aligned correctly to function efficiently. Over time, temperatures cold, dirt and debris can cause frames and hinges to shift. If these parts aren't aligned, it's like trying to fit a key in the wrong hole for a key and it doesn't work. You can fix an issue that appeared impossible by following these simple steps. So, give yourself a pat on the back for tackling this challenge and regaining the door that was locked! We're sure you'll have no issues opening or closing your patio door again. Good luck! We are here to help if you need any assistance or have any questions.