1、 使用和保养通信柜锁以及怎样鉴别劣质门锁 千万不要往锁芯内滴加机油，如用钥匙开启不灵活，可往钥匙孔内装一些铅笔芯的屑。 2、 使用和保养通信柜锁以及怎样鉴别劣质门锁 如无意中将球形门锁屋内保险顺时旋转900，即成长久保险状，电柜门锁这时只能用钥匙开启，只须将保险逆时针旋转900,即可恢复。 3、 正常使用时，如有污垢，工业柜锁可用干布（或加少许清水）**，切勿用洗洁精等化学品擦洗。否则，破坏外露件保护膜，会引起褪色。 4、 通信柜锁关门时*好握着执手，把锁舌旋进锁体，关好门后再松手，不要用力撞门，否则会减少锁的使用寿命。 鉴别劣质门锁 1、首先，看门锁的表面是否平整、光滑、劣质门锁通常表面粗糙，坑坑洼洼，有明显的瑕疵，而且表面镀层极易腿色。 2、然后，仔细检查门锁包装内的配件是否齐全，手感是否舒服，通常劣质门锁多出自家庭小作坊，时间长了方方面面会出现问题。 3、看该产品是否已通过国家有关质检部门的检测，通常劣质门锁的各项技术指标都无法达到国家标准。 Use and maintenance of communications cabinet locks and how to identify poor quality locks Use and maintenance of communications cabinet locks and how to identify poor quality locks ten million not to lock cylinder dropping oil, such as not flexible and open with a key to the keyhole contains pencil crumbs.2, such as inadvertently ball locks the house Insurance clockwise rotation 900, like to Serve permanent insurance, cabinet locks then only with a key to open the insurance, only counter-clockwise rotation 900, can be restored.Normal use, if the dirt, industrial cabinet lock with a dry cloth (or add a little water) to clear, do not scrub with detergent and other chemicals. Otherwise, the destruction of the exposed parts of the protective film will cause fading.Communication cabinet locks closed best to hold the hand, rotating the latch into the lock, close the door and then let go, do not force Zhuangmen, otherwise it will reduce its useful life. Identification of poor-quality locks A first look at the surface of the door lock is whether the formation of smooth, low-quality locks are usually rough surface, potholes, defects, and surface coating easily colored legs.2, and then carefully check locks packaging accessories are complete, feel comfortable, usually low-quality locks and more from small family workshops, a long time, all aspects will be a problem.3, to see whether the product has passed the national quality inspection departments of the test, usually inferior locks of the technical indicators are unable to reach the national standard.