During the use of the electric expansion door, it should be cleaned frequently to keep the surface of the expansion door clean. If there are stains and dirt, it can be cleaned with water, alcohol or neutral detergent. Generally, it is recommended to select soft gauze or cotton fiber and other materials for wiping to avoid scratching the expansion door, resulting in scratches on the surface.
Pay attention to the maintenance of the hardware of the expansion door.
All types of electric expansion door hardware fittings shall be subject to routine inspection, and the hardware fittings will be damaged after long-term use. In general, timely repair or replacement is required in case of this situation. At the same time. The hardware can be coated with an ignition wax or dripped with some oil to reduce friction, thus ensuring simple and flexible opening and closing of the electric expansion door. The top of the electric expansion door and the glass sealing strip shall be inspected frequently. These two parts are the key parts to maintain the sealing insulation. If they are aged and loose, they shall be replaced in time.