1. The window with the handle cannot be closed. It is necessary to check whether there is any obstruction in the gap of the window. Sometimes it is because something obstructed accidentally when closing the window, which leads to the failure to close, but it is not very big. The problem, we just need to clear the obstructions.
2. Some window shafts have deviated from the original track, or simply ran out, causing the window with the handle to not be closed. In this case, we need to install the shaft back to the original track, and then lift the window up. one time.
3. If it is some iron windows with handles, it will rust after a long time of use, and it will be tight when you push and pull the windows. You can put a few drops of lubricating oil on the rusted place, and it can be closed after a while. .
4. There is another situation that the underside of the window is moved by pulleys, but if it is derailed. In this case, the window will not be closed, and the pulley needs to be stuck in the middle of the track.
5. If the window with the handle is made of wood, and if the wood material is deformed later, it cannot be forced to close in this case.
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