Question about Makita 9565CV 5" Variable Speed Angle Grinder

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My makita angle grinder is making a crackling sound I replaced the brushes, but it is still making the same sound

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  • rynob25 Mar 12, 2009

    the old brushes looked normal with normal wear, but yes there is excessive sparking.

  • David Ford
    David Ford May 11, 2010

    what did the old brushes look like? When you run the tool can you see any excessive sparking at the commutator. Let me know and we will go further

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  • 2,176 Answers

OK one of a couple things the brushes night need seated with a stone for this purpose or the armature or field is bad. Remove the brushes and look at the commutator thru the tube and see if there is a bar or 2 that has discoloration or is raised. Let me know if I can help further.

Posted on Mar 12, 2009

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heatman101

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