Is it difficult to change the lock cylinder of the security door by yourself, what tools do you need

It is not difficult to change the lock cylinder of the anti-theft door, you need to prepare a Phillips screwdriver, a set of corresponding door locks, and the specific operation methods are as follows:

1. First remove all the screws on the original doorknob, as shown in the figure below

2. Then remove the two screws that fix the handle, as shown in the figure below

3. After that, you can remove the whole handle, as shown in the figure below

4. Then push out the lock cylinder of the door lock to the door, as shown in the figure below

5. After that, push the lock cylinder that needs to be replaced back into the door opening, as shown in the following figure:

6. Then lock the fixed iron sheet, as shown in the figure below

7. Finally, re-lock the screws that fix the doorknob, as shown in the figure below

8. In this way, the doorknob is installed, as shown in the figure below

If it's just a matter of replacing the lock cylinder, it's very difficult. A flat screwdriver and a plum screwdriver are enough.

First of all, it is necessary to confirm that the lock cylinder can be replaced, and it is best to find the manufacturer to confirm, and it is best to buy the lock cylinder of the same door.

Disassemble the handles and decorative panels on both sides of the security door. Exposed locking mechanism.

Then remove the screws that fix the locking mechanism, and you will find the lock cylinder.

It's not difficult, just a Phillips screwdriver. Take off the handle first, you remember when you unload, and it will be easy to install later! Then look for the screw on the side of the door and remove it from the lock cylinder.

Don't be troublesome, there are two screws in the anti-theft people, after removing the original trivial core, adjust the trivial hole, and then install the new trivial core (after installation, remember to check whether it is qualified).