Question about Ryobi Circular Saws
It sounds like the armature has developed an open commutator bar. What did the brushes look like that you took out. But before I assume the worst I would unplug the tool and remove both brushes and with a flas light look into the brush tube while slowly rotating the armature looking for a discoloration or raised bar. If not you might bet by with cleaning the commutator with a special stone for this, you might be able to get one at the repair shop where you bought the brushes. If you want to send me the photo of the arcing it might help on my end. Let me know
Posted on Mar 09, 2009
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