The installation hinges are stressful. The six main points to note are:
(1) Before installation, check whether the hinge matches the door frame and fan.
(2) Check if the hinge groove and hinge height, width and thickness match.
(3) Check whether the screws and fasteners connected to the hinges are matched.
(4) The connection method 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 connected with the box. Fixed, the side connected to the shaft should be fixed with the doors and windows.
(6) When installing, ensure that the hinges of the hinges on the same fan are on the same plumb line so that the door/window fan does not spring up.
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