How do I replace a trimmer line?
#1
How do I replace a trimmer line?
Borrowed a Stihl FS55 and broke the trimmer line. How do I replace it?
#2
You should be able to unscrew the knob on the end of the head, remove the line spool, install new line and wind it in the direction indicated by the writing or arrow on the spool, and install the spool with the line(s) feeding out the holes in the head. Then screw the knob back on.