If your Stihl weed wacker has one, try to avoid using it unless absolutely necessary. Should you need to restring your weed eater, start by turning the nut at the bottom of the head clockwise and ...
Some can be cleaned, but replacing it is easier and relatively inexpensive (Fuel Filter Replacement for Echo Stihl ... Twisted Trimmer Line. It's not a difficult job, and the way you restring ...