Guide :Saws : 7 1/4" Magnesium "Mag 77" Wormdrive Saw With Twist Lock...
Sparking saw was notably sparking where the brushes make contact and tripping breaker. I changed the brushes but still sparking alot, the brushes I took out 1 was about 5\8 long and the other about 7\16 long. help thanks
Jan 17, 2009