Doors and windows hardware maintenance four major points
Can be said that doors and windows hardware is the core of the entire windows and doors, including the handle, lock heart, hinge, etc., each of the components are significant. The key to life of windows and doors lies in the "hardware" conservation. The maintenance of doors and windows hardware, the key lies in the following 4 points:
① stainless steel handle and stainless steel Other "hardware" can be used to clean cleaners, can increase the light.
② hinges, hanging wheels, casters and other moving parts in the long-term movement may be due to the adhesion of dust and reduce the function, every six months to play with one to two drops of oil to keep it smooth.
③ special attention to handle the direction of rotation stretching, avoid using force. In particular, teach the children not to hang on the doorknob to shake, which is both dangerous and endangering.
④ When cylinder rotation is not sensitive, a small amount of black powder can be scraped off the pencil core and lightly blown into the keyhole. This