A broken door lock cylinder can be a major inconvenience, but with a little patience and the right tools, removing it can be a DIY job. This article provides a step-by-step guide on how to remove a door lock cylinder. Whether you need to remove a broken key or simply replace the lock, we’ll guide you through the process.
Before you begin, make sure you have the right tools. These typically include:
- Screwdrivers (Phillips and flathead)
- Allen wrench set
- Pliers
- Hammer
- WD-40 or similar lubricant
Step 1: Identify the Cylinder Type
Before starting the removal process, it’s important to identify the type of door lock cylinder you have. There are two main types: profile cylinders and mortise cylinders. Profile cylinders have a flat side and are commonly used in residential doors. Mortise cylinders are, as the name suggests, round and are often found in older doors or furniture.
Step 2: Remove the Mounting Screws
Once you’ve identified the cylinder type, you can begin removing the mounting screws. These are usually located on the side of the door, at the level of the lock. Loosen the screws with a screwdriver, but don’t remove them completely yet.
Door lock cylinder mounting screws
Step 3: Remove the Cylinder
To remove the cylinder, insert your key into the lock and turn it slightly. This will unlock the cylinder and allow you to pull it out of the lock case. If the cylinder doesn’t pull out easily, you can gently tap it out with a hammer and a piece of wood.
Sometimes, the cylinder may be stuck due to wear, corrosion, or a broken key. In this case, you should spray WD-40 or a similar lubricant onto the cylinder and wait a few minutes before trying again.
Removing the door lock cylinder
Step 4: Install the New Cylinder
Installing the new cylinder is the reverse of the removal process. Make sure the new cylinder is correctly aligned before tightening the mounting screws.
Common Problems and Solutions
Here are some common problems that can occur when removing a door lock cylinder, and how to fix them:
- The key won’t turn: This could be due to a bent key, a dirty lock, or a faulty cylinder. Try cleaning the key, lubricating the lock with WD-40, or using a new key.
- The cylinder won’t pull out: The cylinder might be stuck due to corrosion or dirt. Spray WD-40 onto the cylinder and wait a few minutes before trying again.
- The mounting screws won’t loosen: The screws might be rusted or stripped. Try using a screw extractor or a pair of locking pliers to loosen the screws.
Conclusion
Removing a door lock cylinder is a task that can be done yourself with a little patience and the right tools. However, if you are unsure or encounter any problems, you should contact a professional locksmith.
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