How to change the lock of the security door? Anti-theft door lock changing steps

What's the first thing we do when we get home? Of course it's open! At this time, you need to open the security door first, and then open the door. The security door is our first line of defense when we come home from work. The anti-theft door lock is broken. If you need to replace it yourself, you must first know what the material of the lock core is and what kind of lock core to choose is better. Next, let's see how to replace the lock of the security door.

How to change the lock of the security door?

1. First, select the material of the lock core. After selecting it, there are two screws at the top and bottom of the handle that need to be removed. These two screws are mainly used to fix the panel, and a cross screwdriver needs to be prepared to tighten them. This operation is actually very simple.

2. After screwing the screws, put the screws away, unscrew the lock core and put the screws on both sides of the sleeve. One thing that must be paid attention to is not to tighten these two screws too tightly during installation, so as to prevent the switch armrest of the safety door from being opened because of being tightened too tightly. The next step is to remove the handle first and then remove the lock.

3. Remove the sleeves of the lock cylinder together, put them together with the screws, and remember the removal steps, because it is the same as the installation steps. All the things that have been removed must be put away and not lost.

4. Unscrew the screw fixing the lock cylinder and remove the lock cylinder. If the screw cannot be removed by hand, knock off the left or right lock cylinder with a hammer and try again.

5, according to the method of step 3, first install the anti-theft shell of the lock cylinder and then install the handle. Before installing the handle, you can now put the safety bolt in and then install the handle on it.

6. Install the inner and outer handles of He Long. Someone better help hold the white hands outside together. Both sides must be aligned and then installed downward.

7. When installing the handle inside and outside, it must be coordinated. The screw holes should be aligned with the nuts over there. If you can't see it, you can aim it with a flashlight.

8. Insert the screw vertically. If the nut inside is not aligned when inserting the screw, you can gently shake the screw with your fingers, and friends who have screwed the screw can feel whether the screw is aligned.

9. When fixing the panel, when screwing the screws, be sure not to screw the screws too tightly. Just put the handle in this position, so that it cannot be turned flexibly.

10. Finally, you can give it a try and see how it works. Be sure to open the door to avoid being locked out. If the door is not repaired, you'll have to start all over again. You can twist the safety by inserting the key and turning it 360 degrees. When everything is all right, you can operate it manually.

How about reading Bian Xiao's introduction on how to replace the anti-theft door lock? Have you learned a lot about changing the lock of the security door? I hope you can use this article as a reference in your future life and choose your favorite lock-changing security door to create a safer home environment. Thank you for reading this article and your strong support and love for Bian Xiao. If you want to know more about home improvement, please continue to pay attention.