Hi,
First, thanks for allowing me into the forum!
I need to replace the shaft adapter on my trimmer. You can find the part and drawing here, on pages 6 and 7. From the drawing, it's part no. 7.
http://manuals.homelite.com/system/files/4378/original/UT20004B_24B_44B_771_r.PDF?2011
Does...