1. After the door frame is installed, according to the position of the upper fulcrum, use a hanging wire hammer to locate the handle, and pay attention to the line connecting the center line of the two springs and the left and right door frames, otherwise the door leaf will appear one after the other after installation. Phenomenon. After locating the position, pour and fill with cement mortar to prevent loosening during use.
2. Pay attention to the installation accuracy. There are five gaps in the floor spring door. If the accuracy of the door is poor, it will seriously affect the appearance of the door and the thermal insulation and sealing performance. In addition to the production-related accuracy, installation is also an important link. Therefore, during the production and installation of the floor pop-up door, the difference between the diagonals of the door frame and the door leaf, and the tolerance of the external dimensions all meet the standard requirements. In addition, the door frame is fixed. On the premise that the gap between the door leaf and the door frame can also be adjusted appropriately by adjusting the position of the upper and lower handle of the door leaf.