The Op didn't know about proper blade engagement and disengagement, now he does. It doesn't really have anything to do with the coil, but it can be a domino affect. When you start to stress one part of a machine, it then stresses another, and another.
Everything has been cleared up. Jeff had given good advice to begin with.
There is an Old Blue Chair for each and every one of us, we just have to find it.
2015 Ram 3500 6.4l hemi 4x4
BOSS 8'2" VXT
Hustler X-one 60" 3 bin bagger
Toro Proline 36" wb w/t-bar controls
Walker S14 36"
Shindaiwa T242, Echo trimmers, chainsaws, pole hedge trimmer, pole saw, hedge trimmer
Shindaiwa 633 and Echo 755