Daily care and maintenance of Dongguan precision casting locks

In order to maintain product appearance and extend service life, special attention should be paid to the protection and maintenance of Dongguan precision casting locks during daily use.

1. Usually insist on using lubricant to keep the lock body transmission smooth and extend the service life. It is recommended to inspect once every six months or a year, and check whether the fastening screws are loose to ensure they are tightened.

2. During the period of using the lock (half a year or a year) or when the key insertion and extraction are not smooth, you can apply graphite powder or pencil powder in the lock cylinder groove to ensure that the key insertion and extraction is smooth. However, do not mix it with any other Contact with oil to make it smooth, so as to prevent the oil from sticking to the spring, causing the lock to be unable to rotate and open.

3. Usually, we will observe the cooperation gap between the lock body and the lock plate, whether the high and low cooperation between the lock tongue and the lock tongue is appropriate. The cooperation gap between the door frame and the door frame is preferably between 1.5mm-2.5mm. If there is If there is any change, the direction of the hinge or lock plate on the door should be adjusted. Pay special attention to the cold contraction and thermal expansion caused by the climate (wet in spring, dry in winter), and ensure the coordination between the door and the door frame. The lock body and lock plate The clearance should be properly matched to ensure smooth use of the lock. You can ask the supplier's personnel in detail when purchasing.

1. Appearance protection:

1. During the house decoration process of Dongguan precision casting locks, please use a plastic bag (do not contact the rubber surface of the tape with the surface of the lock) to seal the exposed parts such as the lock handle, panel, etc., and the surface treatment layer of the anti-lock parts should be used during decoration , corrosion, blistering and even delamination will occur due to corrosion by acid, alkali substances and gases, seriously affecting the appearance quality of the lock. Some zinc alloy locks with copper will be "mottled" after being installed on the door for a long time, such as The phenomenon is not rust, but oxidation. If this happens, just apply a layer of oil on the surface to remove the spots.

2. During normal use, if there is dust, you can use a dry cloth to shovel it away. Do not wipe it with chemicals such as detergent. Otherwise, the protective film of the exposed parts will be damaged and cause fading. Do not use a wet cloth to wipe the lock body and handle because of certain Some metal locks will rust, while alloy locks will wear out and lose their aesthetic effect.

2. Functional protection.

1. When using Dongguan precision castings (once every six months or a year), or when the key is not inserted and pulled out smoothly, add some graphite powder (pencil powder) to the key hole to achieve a smooth effect. Do not add any liquid oil substances as a Lubricant to prevent oil from sticking to the spring strip, causing the lock to be unable to rotate and open. If the door leaf is closed with too much force, you can apply a small amount of pencil powder on the latch tongue.

2. When closing the door, it is best to hold your hand, screw the lock tongue into the lock body, and then let go after closing. Do not hit the door hard, otherwise the service life will be shortened.

3. When the main deadbolt or the secure deadbolt extends out of the body, do not touch it violently to prevent damage to the deadbolt and door frame.

4. Since the sealing strip installed between the door body and the door frame has an elastic effect, when the handle or key is unlocked, the handle or key can be used to open or open the door. Do not use force to open the handle or key to avoid the handle or key. The key cracked.