How to change the lock cylinder of the security door?

The lock body is installed into the hole in turn, the fixing screw is aligned, the screw is installed on the outer panel part, the connecting screw is inserted into the square rod hole of the lock body, and the square hole of the handle handle of the outer defense board part is aligned with the linkage square rod hole, and the outer panel component is installed.

Of course, the lock cylinder can be changed for the security door.

1. After selecting the lock cylinder, unscrew the two screws on and below the handle panel, these two screws are mainly used to fix the panel, as long as you prepare a Phillips screwdriver, it can be completed, and it is very simple.

2. After the screws are screwed, put the screws, unscrew off the lock cylinder and put the screws on both sides of the sleeve, but pay attention to the fact that the two screws should not be screwed too tightly during installation, so as not to open the anti-theft door handle too tightly. Remove the handle first, then the lock cap.

3. Put the lock cylinder into the sleeve and remove it, put it together with the screws, remember the steps when disassembling, and the return is the same. Everything that has been dismantled is put away in a unified manner and should not be lost.

4. Unscrew out the screws that fix the lock cylinder, remove the lock cylinder, if you can't pull out the lock cylinder by hand to remove the screws, you should use the hammer to knock down the left or right lock head, and try again.

5. According to the method of step 3, after the lock cylinder anti-theft shell is installed, before installing the handle, the safety bolt is now inserted, and then the handle above is installed.

6. Install the inner and outer handles, and it is best for someone to help hold down the outer white hands, and the two are symmetrically catered to, and then continue to the next step.

7. Adjust the inner and outer handles, it must be well coordinated, and the screw holes should be aligned with the nuts over there, or rotate the screws after being illuminated with a flashlight.

8. Insert the screw vertically, if you can't align the nut inside when inserting the screw, please shake the screw with your fingers, and generally friends who have rotated the screw can realize whether the screw is aligned.

9. Fix the panel, tighten the screws, pay attention to the screws should not be too tight, and the handle will be obedient and can not be rotated flexibly.

10. The last thing is to try the effect, you must pay attention to the door and try again, so as not to be locked out, and the door is not repaired and you have to start all over again. You can rotate the safety 360 degrees by inserting the key, and everything can be done by hand after everything is normal.

How to change the lock cylinder of the security door? How to change it? Steps to change the lock cylinder of the security door Remove the old lock cylinder:

1.First of all, remove the two handle panels on the inner and outer sides: the screws are on the inner handle panels, one on the top and one on the bottom.

2.Remove the inner and outer lock cylinder caps: the screws are on the inner lock cylinder caps, and the left and right sides of several keys are inserted.

3.Dismantle the lock cylinder positioning screw: the screw is on the side of the door, at the same height as the lock cylinder.

In the middle of the deadbolt, the thickest is. 4.At this time, remove the old lock cylinder and replace it with the old and new one.

Installing a new lock cylinder: 1Before installing a new cylinder, add a small amount of lubricant that is specific to the new cylinder.

Use the key to rotate it several times over and over again. 2.The lock cylinder positioning screw must be tightened to prevent the screw from loosening and opening the door in the future.

3.Do not tighten the cap screws of the lock cylinder to prevent it from being difficult to unlock. 4.

When installing the inner handle panel, insert the lower safety bolt into the hole corresponding to the safety bolt. If you don't know much about changing the lock cylinder, it is recommended to find a master to help you install it, it doesn't cost much, about 80-90 yuan.

The first thing to look at is the quality of the anti-theft door lock cylinder, and you must choose the right new lock cylinder, generally using the B-level lock cylinder. The purchase of anti-theft door lock cylinder should look at several key points: the surface treatment of the lock cylinder is smooth, with texture and light sense; Look at the number of marbles, a single row is a class A lock, which is a lock facing elimination, and you want to buy a double-row marble; Looking at the shape of the key, it is best to sell high and low row teeth, double row teeth, serpentine anti-dial ribs, etc., which are safer.

The anti-theft door lock cylinder is actually very simple, but it depends on what kind of door it is, the general door can be easily replaced by removing the screws, but some Buyang anti-theft door anti-theft performance is more advanced, then it is best to find a trustworthy professional lock replacement company to replace.

I want to change the lock cylinder, but I don't want the workers to change it, and I feel more at ease to change the lock cylinder. First of all, you should buy a new lock cylinder against the old one, the quality and performance must be good, and then replace it yourself. Remove the screws on the side of the security door, remove the old lock cylinder, if the lock cylinder has a protective cover, remove it first, and then replace the new lock cylinder, and it can be installed as it is.

Buyang security door warranty.

How to change the lock cylinder of the security door? To change the lock cylinder, you must first buy a suitable new lock cylinder. The conventional wisdom is that the cylinder and key are as good as possible, but this is not the case.

There are several key points to look at when buying a lock cylinder: the surface treatment of the lock cylinder is smooth, with texture and light sense; Look at the number of marbles, a single row is a class A lock, which is a lock facing elimination, and you want to buy a double-row marble; Looking at the shape of the key, it is best to sell high and low row teeth, double row teeth, serpentine anti-dial ribs, etc., which are safer. How to change the lock cylinder of the anti-theft door?

Of course, you can find a locksmith to change the cylinder, but you can also do it yourself. How to change the lock cylinder of the anti-theft door can be divided into 8 steps: 1. Unscrew the two screws on and below the top and bottom of the pull handle; 2. Unscrew the screws on both sides of the lock cylinder sleeve; How to change the lock cylinder 3 of the anti-theft door, remove the anti-theft sleeve of the lock cylinder; 4. Remove the old lock cylinder; 5. Install the handle after installing the lock cylinder anti-theft shell; How to change the lock cylinder 6 of the anti-theft door, install and close the inner and outer handles, and the outer handles should be held down; 7. Adjust the inner and outer handles, the screw holes should be aligned with the nut over there, and the screws should be rotated after the light is aligned; How to change the lock cylinder 8 of the anti-theft door, insert the screws, and tighten it.

How to change the lock cylinder of the anti-theft door? Security is important! To ensure the safety of the replaced lock cylinder, the first thing to choose is to choose a new lock cylinder, generally choose a B-level lock cylinder.

If you don't know how to change it, find a trustworthy professional lock change company. Pay attention to the maintenance of the lock cylinder in life, enter and exit the door, and there is no need to worry about safety issues.

How to change it?

Steps to change the lock cylinder of the security door.

Remove the old lock cylinder: 1First of all, remove the two handle panels on the inner and outer sides: the screws are on the inner handle panels, one on the top and one on the bottom.

2.Remove the inner and outer lock cylinder caps: the screws are on the inner lock cylinder caps, and the left and right sides of several keys are inserted.

3.Dismantle the lock cylinder positioning screw: the screw is on the side of the door, at the same height as the lock cylinder. In the middle of the deadbolt, the thickest is.

4.At this time, remove the old lock cylinder and replace it with the old and new one.

Installing a new lock cylinder: 1Before installing a new cylinder, add a small amount of lubricant that is specific to the new cylinder. Use the key to rotate it several times over and over again.

2.The lock cylinder positioning screw must be tightened to prevent the screw from loosening and opening the door in the future.

3.Do not tighten the cap screws of the lock cylinder to prevent it from being difficult to unlock.

4.When installing the inner handle panel, insert the lower safety bolt into the hole corresponding to the safety bolt. If you don't know much about changing the lock cylinder, it is recommended to find a master to help install it, and it won't take it.

How much is it, about 80-90 yuan.