Replacement of the lock cylinder may be necessary in several cases. Most often it is produced when the lock just broke. There is no need to acquire a new one, because it is enough just to change the internal part of the structure. Also replacement of the larva is required when the old lock seems to be unreliable. The process will take from the owner about 15-20 minutes and will not require special knowledge.
In this article, we will explain how to replace the entrance door lock cylinder with your own hands, give detailed instructions, and also demonstrate a video on replacing the larva.
In order to replace the inside of the lock, it is not necessary to assemble a whole set of tools and materials. The master will need only three things:
Measurement of the larvae
By itself, replacing the core after buying a new one is one of the simplest operations.
Sometimes it is impossible to remove a larva by the usual method. This happens when the core mechanism is broken or the key is stuck in the lock. Then do not do without a drill. It is necessary to take a drill with a diameter of about 10 mm and just drill out the core. After this operation, remove the larva is not difficult.
The sequence of work when replacing the lock cylinder in the following video: