The security door is the most popular type of security door in modern decoration. Because of its unique design of the lock cylinder and the door leaf material of the security door, it has very significant anti-theft performance. However, if the anti-theft door's lock cylinder is broken or the key is lost, the anti-theft door lock cylinder must be replaced for safety reasons. How to change the security door lock core ? Here we take a look to experts to teach you how to change the anti-theft lock cylinder!
How to change the security door lock core
At present, the major anti-theft door brand anti-theft door lock core is based on the main plug. The insert body lock is inserted in the door, because of its better security, it is widely used in security doors. Then, how to change the anti-theft door lock core , we divide the following steps to complete:
first step:
Use a Phillips screwdriver to unscrew the top and bottom screws on the hand panel. Then remove the screws on both sides of the lock cylinder and remove the lock cap. (Note: Do not rotate the two screws too tightly during installation. Be aware of the movement when you press the anti-theft housing.)
The second step:
Remove the cylinder lock. (Note: The same method is used for installation.) When you remove the lock cylinder, but when the screw is turned off or the lock cylinder is not pulled out, use a hammer to gently knock around the lock head. You can.
third step:
After removing the lock cylinder, the new lock cylinder is installed. First, insert the safety plug, then start to close the inner and outer handles. The outer handle should preferably be held by a person. The screw holes of the inner and outer handles must be aligned before the screws can be rotated.
the fourth step:
When inserting and inserting the screw, it must be vertically inserted. If there is no nut aligned with the inside, use a finger to gently shake the screw. Because the screw head is pointed and has a good feeling, the rotating screw will change the basic core of the lock cylinder. The operation is completed, insert the key to rotate 360 ​​degrees, twist the following insurance are normal even if it is completed!
Above about how to change the anti-theft door lock core to a brief introduction here, I hope to help you. For more information, please visit this website. Stay tuned.
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