Views: 2 Author: Site Editor Publish Time: 2020-08-06 Origin: Site
In order to prevent thieves, almost every family has installed anti-theft door locks. After a long period of time, problems will inevitably occur. If problems occur, they have to find a locksmith. The lock cylinder cannot be repaired and can only be replaced with a new one. One lock cylinder plus five keys
How could the door lock be broken? When the lock is found to be uncomfortable, you need to add some oil to lubricate it. Salad oil and cooking oil cannot be used for this reason. Because the drilled dust and the cooking oil are mixed, the spring and projectiles in the lock cylinder are contaminated, and the lock is really ``locked''.
Use the solvent for washing the range hood, just spray it, and after a while, the old oil stains will be diluted.
If you find that the key is dry when you insert it, you must add machine oil or sewing machine oil!