Do you know what the maintenance knowledge of security door locks For sale is? Let’s take a look at it briefly below!
1. Lubricant
Some friends often like to drip some lubricating oil into the lock eye when the security door locks For sale is astringent or tight, so that the security door locks For sale may be smooth immediately, but because the oil is easy to Sticky ash will easily accumulate dust in the keyhole in the future, and form greasy putty, which will make the security door locks For sale more prone to failure.
The correct solution: cut some pencil fragments or some candle fragments, blow it into the lock cylinder through a thin tube, and then insert the key and turn it several times.

2. Poor door opening
Sometimes, due to the gravity of the door leaf itself, or the reason of the door leaf, the door leaf sinks, and the door is locked or the door is not opened smoothly. At this time, it is often difficult to open and lock the door with a key. At this time, do not twist the key forcibly, so as not to break the key and increase the trouble.
Correct solution: You should check the cause first. If the loose leaf causes the door leaf to sink, the loose leaf should be fastened with screws. If the door frame is deformed or the reason is irreversible, you can start from the door frame and expand the lock tongue accordingly, so that the security door locks For sale can open and close the door smoothly.