How can the antirust graphite powder used for locks be operated? Where is it painted?
In the process of switching the door locks on weekdays, the best holding handle lock tongue into the lock, closed the door and then let go, don't bang the door, otherwise it will reduce the service life. Do not use wet cloth to wipe the lock and handle, because some metallic lock will rust; lock alloy material will lose coating worn, beautiful appearance.
Check the locking gap between the lock body and the locking plate regularly, whether the lock tongue is matched with the height of the locking plate hole or not, the optimum clearance between the door and the door frame is 1.5mm-2.5mm. In case of any change, the position of the door hinge or the lock buckle shall be adjusted.
When the lock is in use, a small stone powder or pencil powder can be put in the lock core slot for regular (half a year or year) or when the key is not inserted smoothly, so as to ensure that the key is inserted and inserted smoothly. But avoid adding any other oils to lubricate to prevent grease sticking to the spring, causing the lock to rotate and not open.
Always keep the lubricant in the locking part of the lock so as to keep the transmission smooth and prolong the service life. It is recommended to check it for half a year or one year, and check whether the fastening screws are loose or not, to ensure the fastening.