How to change the lock cylinder of the anti theft doorIs it safe to change the lock cylinder of the

1. Unscrew down the two screws on and below the pull handle panel;

2. Unscrew the screws on both sides of the lock cylinder sleeve;

3. Remove the lock cylinder anti-theft sleeve;

4. Remove the old lock cylinder;

5. Install the handle after installing the lock cylinder anti-theft shell;

6. 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;

8. Insert the screws and tighten them.

Safe. The 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.

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.

Attention should be paid when installing a new lock cylinder:

Before installing the new lock cylinder, add a small amount of special lubricant to the new lock cylinder. Turn the key several times repeatedly.

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 screws of the lock cylinder cap too tightly to prevent screaming and it is not easy to unlock.

4.When installing the inner handle panel, there is a safety bolt underneath, which should be inserted into the corresponding safety bolt hole.

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.

The security door finds a professional to change the lock cylinder, and it is safe to change the lock cylinder for the security door.

1.When buying a lock cylinder, there are many kinds, and you must buy a lock cylinder with better anti-theft performance. Because the function of unlocking with tin foil is too powerful now, for the sake of safety, it is better to buy a better lock cylinder.

2.To change the lock cylinder of the anti-theft door, it should be noted that the size of the lock cylinder of the door should be replaced after the measurement is done. If the size is not right, the newly bought lock cylinder cannot be installed, which is a very troublesome thing.

3.If you are looking for someone else to change the lock cylinder, for the sake of safety and to avoid others from hiding the key, you must pay more attention when changing the lock.

To protect privacy and security, the lock cylinder is related to the safety of the home and must be treated with caution.

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.

According to national standards, the anti-theft door lock cylinder is divided into two types: Class A and Class B.

To change the lock cylinder, you need to find a locksmith to change, the A-level lock cylinder is generally between 80 and 150, and the price of the B-level lock cylinder is generally between 200 and 500.

A lot of times we need to give.

The lock cylinder of the anti-theft door is replaced.

Make sure it's safe, such as accepting a second-hand home, just renting a house, etc. Then 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.

Of course, you can find a lockpicking company to change the lock cylinder, but you can also do it yourself, which can be divided into 8 steps: 1. Unscrew the two screws on and below the pull handle panel; 2. Unscrew the screws on both sides of the lock cylinder sleeve; 3. Remove the lock cylinder anti-theft sleeve; 4. Remove the old lock cylinder; 5. Install the handle after installing the lock cylinder anti-theft shell; 6. 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; 8. Insert the screws and tighten them.

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.

The latest price of stainless steel security door introduced to you above.