1. Before installation, check whether the hinge matches the door frame and the fan.
2. Check if the hinge groove and the hinge height, width and thickness match.
3, should check the hinge and its connection screws, fasteners are matched.
4. The connection of the hinge should be matched with the material of the frame and the fan, such as the hinge used for the steel frame wooden door, the side connected with the steel frame is welded, and the side connected with the wooden door is fixed with wood screws.
5. In the case of asymmetrical two-page sheet hinges, it should be discerned which page board should be connected with the fan, which page board should be connected with the door window frame, and the side connected to the three sections of the shaft should be fixed with the box. The side connected to the shaft should be fixed with the frame.
6. When installing, ensure that the hinges of the hinges on the same fan are on the same plumb line so as to prevent the door and window fan from springing.
Pinghu Tendency Hardware Co., Ltd
Add: No.158, Suijian Road, Suilun Industry Park,Pinghu City, Zhejiang Province, CHINA