Broken Bridge aluminum doors and windows is not easy to open how to adjust? For difficult opening, it is generally a problem with hardware accessories.
In one case, there is a problem with the broken bridge aluminum door and window switch connection lock. The hook zipper cannot be opened when it is opened.
The second is that the connecting rod lock point is stuck.
The three types are that broken bridge aluminum doors and windows of the active hinge is rusty.
Four kinds of door and window frames or fans are deformed, with two sides stuck.
Five. The installation quality is poor, and there are many deviations beyond the allowable limit, but it has not been adjusted in time.
Preventive measures:
You can put some oil to lubricate the connecting rod lock point.
Check whether the hardware accessories are damaged.
Prevent External impact force from hanging heavy objects, causing deformation of doors and windows. When using, turn on and off lightly to prolong its service life.
