How to care for locks?

1. Often keep the lock body transmission part with lubricant to keep its transmission smooth and prolong its service life. It is recommended to check once every six months or a year, and check whether the fastening screws are loose to ensure fastening. 2. During the use of the lock, regularly (Half a year or a year) Or when the key plug is not smooth, you can put small Xu graphite powder or pencil powder into the lock cylinder slot to ensure the key plug smoothly. However, do not add any other oil for lubrication, so as to avoid the grease sticking to the spring of the bullet, which causes the lock head to be unable to rotate and cannot be opened. 3. Always check the fit clearance between the lock body and the lock plate, whether the high and low fit between the lock tongue and the lock plate hole is appropriate, and the best fit clearance between the door and the door frame is 1. 5mm-2. 5mm. If any change is found, the position of the door hinge or lock plate should be adjusted. At the same time note that due to weather (Wet in spring, dry in winter) And caused by cold shrinkage and heat expansion, to ensure that the door and door frame, lock body and lock plate gap with a reasonable, to ensure that the use of locks smoothly. Stainless steel locks are rare, usually zinc alloy, identification method-- The texture of the zinc alloy is relatively soft, and the back can be scratched with a hard thing. The stainless steel is hard and the scratch is shallow; Both of them are not magnetic and cannot be identified by magnets; If it is a stainless steel drawing surface, it is easier, the zinc alloy looks coated, brighter, and the brightness of stainless steel drawing is lower. Generally, the pieces on the door frame are stainless steel. By comparing the two, they should be able to distinguish.