Pay attention to install the hinge, the 6 major points to note are:
(1) Before installation, check whether the hinge, door frame, and fan match.
(2) Check the hinge groove and hinge height, width, thickness is matched.
(3) should check the hinges and their connected screws, fasteners are matching.
(4) The hinges should be connected with the frame and the fan. For example, the hinges used for the steel frame wooden doors are welded on the side connected with the steel frame, and the wood screws fixed on the side connected with the wooden frame fans.
(5) When the two hinges of the hinge are asymmetrical, it should be distinguished which one should be connected with the fan, which one should be connected with the door and window frame, and the side connected with the shaft should be connected with the frame Fixed, and the two sides of the shaft connected with the frame should be fixed.
(6) When installing, it should ensure that the hinge of the hinge on the same fan is on the same vertical line, so as to prevent the doors, windows and doors from bouncing off.