How to adjust the concealed hinge of the anti-theft door 1. Generally, the upper two groups of hinges are loosened with an internal hexagonal screwdriver, and the upper part of the door leaf is squeezed tightly to reduce the gap, which can be relieved. If the frame is the hinge shaft and the door frame;
2. Remove the anti-theft door, remove the hinge, and chisel off a layer of wood (the thickness needs to refer to the number of door seams that need to be widened). Then reinstall the hinge. Install the security door.
Method 1: no adjustment - apply wax (or soap and grease) between the dawdling door frame and door panel to relieve the rattle, but you have to apply wax again after half a year;
Method 2: if there is no sound when installing a new door. There is a noise after use. It may be that when opening the door, the door panel opens too far, and the angle between the hinge and the door panel is deformed. The adjustment method is to open the door, insert a screwdriver - (screwdriver) into the large gap between the lower hinge and the door frame, and slowly close the door. Because the screwdriver is stuck in the gap, the angle between the hinge and the door panel will be changed. Be careful not to use too much force;
Method 3: adjust the adjustable hinge, loosen the five small screws of the hinge, turn the eccentric screw in the middle and turn it to the gap you want. If the gap is not enough, plug something between the door panel and the door frame, pull it out after adjustment, adjust it several times, and finally tighten all the screws.
