It depends on what kind of a team it is.
Adjusting your own bindings isn't a bad thing if you know how to do it properly, but since you obviously don't know how to you need to take them to a certified technician, found at all ski shops and sport shops.
Type in the brand and model number.
Click on the links that google comes up with.
The manufacturers stop supporting them after a few years (sometimes earlier for certain models) because they start to fail. They're afraid of getting sued by the user if they get hurt. Likewise the technician is not allowed to adjust them, because the manufacturer has stopped covering them, so they're afraid of getting sued as well.
They looked very much like the skis we use today.