How to replace the ordinary anti theft door lock cylinder, how to replace the anti theft door lock c

Quite simply, do you put the back of the lock unfit with 2 screws that fix the lock panel? You disassemble the 2 screws, the panel will be removed, and then you will see the front and back of the cover lock cylinder 2 covers, there are 2 screws on the two sides of the cover, disassemble and remove the cover plate, you will see the head of the lock cylinder, and then on the side of the lock on the side of the lock tongue there is a screw that fixes the lock cylinder (the screw in the horizontal position of the lock cylinder), remove the screws and then you remember to insert the lock cylinder The position of the lock cylinder must be horizontal, so that you can remove the lock cylinder, and then insert the lock cylinder according to the original lock cylinder position length after removing the lock cylinder. Then install it in the order you just dismantled, remember to install the iron rod of the shaft at the position of the lock handle when installing the panel, according to the method you just disassembled, (remember that there is a bolt below the panel to insert the hole where the bolt is placed), and there may be a new lock cylinder that is still inflexible, that is, the upper and lower tongues of your upper and lower connecting rods are rusty, if the installation is not flexible, you can disassemble the screws of the upper and lower deadbolts, take the cover of the deadbolt, and apply some oil.

The lock cylinder is easy to remove:

Tool: A Phillips screwdriver.

1. Disassemble the lock cylinder sequence:

1.Remove the two handle panels inside and outside: the screws are on the handle panel in the house, one on the top and one on the bottom.

2.Remove the inner and outer lock cylinder caps:

The screws are on the lock cylinder cap in the house, which is the left and right sides of the key.

3.Dismantle the lock cylinder positioning screw:

The screw is on the side of the door, in the middle of the deadbolt, at the same height as the cylinder. The thickest one is.

4.At this time, the old cylinder can be removed: the old and new cylinders are the same, and they can be replaced.

Second, install the new lock cylinder:

The order is reversed from when dismantling, and there are a few points to note:

1.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.

Suggestion: Try to use a super B-grade lock cylinder (with a snake groove on the key).

**Super B-level lock cylinder**70-100 yuan. If you find a professional repairer to replace it, it is generally 200 yuan.

Take a picture**, find the same model (you can go to the same brand of security door dealership) to buy one, it is better to buy the lock cylinder separately and save money! Disassemble the upper and lower and side screws on the interior door lock and install them as they are!

<>Before replacing the lock cylinder of the security door, you should prepare the tools needed to replace the lock cylinder of the security door, such as a hammer, a Phillips screwdriver, a new lock cylinder, etc. When buying a new security door lock cylinder, you should choose a product with excellent quality and performance. Due to the short service life of poor quality lock cylinders, they are easy to be damaged, and need to be replaced frequently, which not only wastes money and time, but also affects the daily life of the owners.

When replacing the lock cylinder of the anti-theft door, you should use a plum screwdriver to unscrew and take out the upper and lower screws of the handle panel of the anti-theft door, and then unscrew and remove the screws of the anti-theft sleeve at both ends of the lock cylinder. After all the screws are removed, you can remove the lock and jujube cap of the anti-theft door.

Whether the security section of the anti-theft door manuscript mainly lies in the lock cylinder, the anti-theft door lock cylinder plays a pivotal role in home anti-theft, so how to replace the lock cylinder of the anti-theft door do you understand? When changing the lock cylinder, there are some precautions that we have to pay attention to, today I will take you to understand how to replace the lock cylinder of the anti-theft door and the lock cylinder of the anti-theft door**.

1. Find the position of the lock cylinder screw hole and unscrew the lock cylinder screw.

2. Slowly rotate the key, and when the fork is pulled out of the lock cylinder groove in a certain position, the entire lock cylinder can be pulled out of the lock body.

Anti-theft door lock cylinder.

3. At this time, measure the size of the existing lock cylinder, the diameter of the common lock cylinder, that is, the round head is 17mm, and the width of the small head part is 10mm. The height is 33mm, if your cylinder size is the same as this, then determine what the length of L1 and L2 is.

4. After replacing the lock cylinder, tighten the lock cylinder screws, and then install the inner and outer handles.

Misunderstanding of the lock cylinder of the anti-theft door.

The more lock points, the safer it is, which is a mistake that most people are prone to make, thinking that the more lock points, the higher the anti-theft level. In fact, it is not that the more lock points, the more expensive the security door, the better, under normal circumstances, 4 lock points of the security door are enough.

The role of the lock point of the anti-theft door is to prevent prying, but it is the lock cylinder that really controls the telescopic opening and closing of the lock point, and there are many lock points of any anti-theft security door, but the lock cylinder is always one, as long as the lock cylinder is opened, all the lock points can be opened.

Anti-theft door lock cylinder.

1. The United States Duoling super B-level lock cylinder anti-counterfeiting upgraded version of the anti-theft door lock cylinder anti-tin foil door opening element.

2. Golden Pin Atom Super B-level Blade Anti-tin Foil Lock Cylinder Anti-theft Door Lock Cylinder Y60 Series Yuan.

3. Meilibao super B-level lock cylinder C-level lock cylinder blade anti-theft door super B lock cylinder anti-tin foil yuan.

Anti-theft door lock cylinder.

4. The fifth generation of Meilibao anti-theft door lock cylinder super B-level lock potato core C-grade double-blade lock cylinder anti-tin foil yuan.

5. Ma anti-theft door lock cylinder super B lock cylinder 750A1 blade lock cylinder anti-theft, anti-prying, anti-tin foil lock cylinder Yuan grip filial piety.

Steps to change the lock cylinder of the anti-theft door:

Tools: screwdrivers, wrenches, pliers, lock cylinders, keys.

1. Replacing the lock cylinder of the anti-theft door requires some basic tools, including screwdrivers, wrenches, pliers, lock cylinders, keys, etc.

2. First of all, use a screwdriver to disassemble the shell on the anti-theft door and take out the old lock cylinder. Be careful not to damage the door panel and other accessories during disassembly.

3. Insert the new lock cylinder into the security door and fix it with a wrench and pliers. Note that the new cylinder must be the same size as the old one, otherwise it will not work properly.

4. After installing the new lock cylinder, you need to adjust the position of the deadbolt to make it align with the door frame. Use the key to test whether the lock cylinder opens and closes properly.

5. Reinstall the security door shell to the door panel and fix it with a screwdriver. Check whether the lock cylinder and housing are installed securely, and test whether the lock cylinder can be used normally.

To replace the lock cylinder of the anti-theft door, you should first measure the length of the old lock cylinder, buy a new lock cylinder, use a screwdriver to unscrew all the screws of the door lock, and then unscrew the lock cylinder fixing screws to remove the old lock cylinder, replace it with a new lock cylinder, and test whether it is usable with a key, and you can install all the parts back without any problem. Here's how:

1. First of all, screw out the door lock shell screws in the door, one on the top and one on the bottom.

2. After screwing out the upper and lower two relatively long screws, you can remove the front and rear fixing plates of the door lock.

3. Next, unscrew the fixing screws of the keyhole and remove the keyhole shell.

4. Find the lock cylinder fixing screw, which is generally the screw facing the keyhole.

5. Unscrew the fixing screws of the lock cylinder and pull out the old lock cylinder.

6. Install the new lock cylinder in its original position, pay attention not to install it backwards before and after, and then screw on the fixing screws and use the key to test whether the lock cylinder can open and close the door normally.

7. If there is no problem with the new lock cylinder, you can put the keyhole shell back on.

8. Then install the front and rear shells of the door lock back to their original position according to the vacant position, and pay special attention to the lower anti-lock rotation button to install it back in place.

9. After installing the shell, insert the screws to screw the upper and lower screws back into place and tighten them.

10. Insert the key to test whether the functions of the door lock are normal, and the lock cylinder will be replaced.

Precautions

1. There are small parts in the door lock, and you should be careful when removing the door lock to prevent loss.

2. There are many models of door lock cylinders, and it is best to take the old lock cylinder to buy a new one.

3. After replacing the new lock cylinder, you must remember to use the key to test whether the door lock is normal, otherwise you have to open it after installation.

How to change the lock cylinder of the anti-theft door! Hello, I am glad to answer for you <> steps to remove the old lock cylinder for the pro-security door to change the 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 the new and old lock cylinder Pizhou leak. Install the new lock cylinder:

1.Before installing a new cylinder, add a small amount of lubricant 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, which doesn't cost much, about 80-90 yuan. Hope mine can help you <>

Do you have any other questions?