Remove a door lock

There are always numerous reasons to build a door lock. On the other hand, it is also a work that is rarely expected. Accordingly, not every home improvement is immediately familiar with the peculiarities to expand a door lock. Therefore, you will find a detailed instructions for a detailed instructions to quickly and efficiently expand and change a door lock.

The different door locks

When a door lock needs to be changed, it usually involves one of the following locks.

  • Also read - Copying a key without a key
  • Also read - The price of a new door lock
  • Read also - Key broken off in the lock - what to do?
  • Cylinder lock
  • Pin lock
  • Dimple lock

In the apartments on the doors to the different rooms, there are mostly tumble locks. There is usually no need for a high security standard inside the apartment, so these locks are completely sufficient here.

Special features of door locks in a locking system

When removing a door lock, it is mostly about the locks mentioned above. However, in rented properties you have to assume that pin and dimple locks are explicitly security keys of a locking system at the same time. Then you may not use these locks without the consent of the owner or. the property management.

This is how you can tell whether the door lock is part of a locking system

You can recognize these door locks by the fact that you can open many different doors and locks with your key. Including the following, if any.

  • House or. entrance door
  • underground car park
  • Garbage bunnies
  • Basement access
  • Storage access

However, if it is not a security lock as part of a locking system, you can remove your door lock without hesitation.

Step-by-step instructions for removing a door lock

  • new door lock with key
  • old door lock with key
  • Rust remover
  • Screwdriver, suitable for the fixing screw (front side of the door leaf)
  • little hammer
  • Vernier caliper or angle with measuring scale

1. Preparatory work

Before you remove the old door lock, you should first measure the old lock. You can do that without having to expand it. This ensures that a door is locked even if you are just buying a new door lock, as you do not have to take it with you as a sample.

On the front of the door leaf you can see the fixing screw slightly below the door lock running across the door leaf. Measure from the center of the screw to the left to one outside of the door lock, then also to the other side.

Both dimensions can differ from each other, i.e. the two door lock halves can be of different lengths. However, the door lock does not always close flush with the outer door fittings. In this case you also have to take the measurements from one fitting to the other fitting. With these dimensions you can then purchase a suitable door lock.

Take this opportunity to inject some rust remover into the cylinder lock. The centering screw, from which you measured earlier, fixes the door lock. There is also a fine thread in the lock. Since such door locks mostly lead to outside areas, the weather has a greater influence and over the years the screw and thread could possibly oxidize together.

2. Remove the old door lock

Once you have obtained the new door lock, you can start removing the old door lock. To do this, unscrew the fixing screw on the front of the door leaf. If the screw is still very tight despite the rust remover, apply a few targeted hammer blows to the end of the screwdriver that is sitting on the screw. But use a suitable screwdriver!

Now in most cases you can unscrew the screw without any problems. If it still cannot be loosened, leave it on for longer with a well-sprayed rust remover. Once the screw has been removed, the key must be in the lock. Now either twist it to about 1.00 o'clock or 11.00 a.m. (depending on whether inside or outside).

The driver is in the door lock. This rotates around the longitudinal axis of the door lock and has the task of actuating the lock. For security reasons, however, the driver is not in line with the door lock when the key is removed. This prevents unauthorized persons from removing a door lock. If the catch is in alignment, you can slowly pull out the door lock.

3. Install the new door lock

To install the new door lock, proceed in the same way, but in reverse order. Before inserting the lock, turn the driver into alignment with the key. Once you have installed the new door lock, screw the fixing screw back on.

Tips & Tricks In very rare cases, door locks are found in a rotary knob. The knobs on both sides are firmly connected to each other. On the inside (the door lock is always on the outside, inside only a locking button) a cover is screwed behind the knob on the door side. Loosen this sleeve (screw), then you will see a small opening on the connecting hollow shaft. Press in here with a small key or screwdriver, then a lock will release and you can pull off the inner knob and pull the entire door lock out of the door leaf.