How to repair the security door

Every family has anti-theft doors. For professional anti-theft door lock repairers, there are some small problems of anti-theft door lock cylinder that can be repaired by themselves. For example, if the door lock is not easy to open, you can get some pencil dust in, which can play a lubricating role, but you can't use food oil, or the interior of the lock cylinder will be sticky with dust. For other maintenance methods, it depends on what the security door maintenance personnel say. Every family has anti-theft doors. For professional anti-theft door lock repairers, there are some small problems of anti-theft door lock cylinder that can be repaired by themselves. For example, if the door lock is not easy to open, you can get some pencil dust in, which can play a lubricating role, but you can't use food oil, or the interior of the lock cylinder will be sticky with dust. For other maintenance methods, it depends on what the security door maintenance personnel say. How to change the anti-theft lock cylinder 1. Find the position of the screw hole of the lock cylinder and screw out the screw of the lock cylinder. 2. Turn the key slowly. When the fork is in the lock cylinder groove, the whole lock cylinder can be pulled out from the lock body. 3. At this time, it is considered that the size of the existing lock cylinder should be measured. The common lock cylinder, that is, the diameter of the round head is 17mm, the width of the small head part is 10 mm, and the height is 33 mm. If your cylinder size is the same, then determine the length of L1 and L2 (the distance between the screw hole on the cylinder and both ends). After changing the lock core, tighten the lock core screws and install the inner and outer handle. There are two screw holes on the handle in the room. Just tighten the screws. 2. How to repair the sinking of the anti-theft door? If the screws on the hinge of the door are loose, listen to the anti-theft door to fix the lock. When the door is lifted up, the screws should be locked. Generally, it is better to loosen all the screws of the door when doing these detentions, and then lift the door to a proper height, and then lock all the screws. According to the anti-theft door repair and lock, if the quality of the door hinge itself is poor and the material is thin, the hinge is deformed under the gravity of the door, then replace it with a hinge with a better quality and a thicker material. If the door frame itself is deformed, the anti-theft door repair lock thinks that it will be more troublesome to repair. You can call the property or professional maintenance personnel to repair it. How to change the anti-theft lock cylinder 1. Find the position of the screw hole of the lock cylinder and screw out the screw of the lock cylinder. 2. Turn the key slowly. When the fork is in the lock cylinder groove, the whole lock cylinder can be pulled out from the lock body. 3. At this time, it is considered that the size of the existing lock cylinder should be measured. The common lock cylinder, that is, the diameter of the round head is 17mm, the width of the small head part is 10 mm, and the height is 33 mm. If your cylinder size is the same, then determine the length of L1 and L2 (the distance between the screw hole on the cylinder and both ends). After changing the lock core, tighten the lock core screws and install the inner and outer handle. There are two screw holes on the handle in the room. Just tighten the screws. 2. How to repair the sinking of the anti-theft door? If the screws on the hinge of the door are loose, listen to the anti-theft door to fix the lock. When the door is lifted up, the screws should be locked. Generally, it is better to loosen all the screws of the door when doing these detentions, and then lift the door to a proper height, and then lock all the screws. According to the anti-theft door repair and lock, if the quality of the door hinge itself is poor and the material is thin, the hinge is deformed under the gravity of the door, then replace it with a hinge with a better quality and a thicker material. If the door frame itself is deformed, the anti-theft door repair lock thinks that it will be more troublesome to repair. You can call the property or professional maintenance personnel to repair it.