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Electrical Cleaning
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Use the pencil eraser, and clean with a Q-Tip with a bit of alcohol afterwards. Do NOT use anything like acetone, lacquer thinner, goo gone, or any other stronger solvent. You'll damage the motor windings and short the whole thing out. <br /> <br />Do NOT put any kind of oil on the commutator. It'll burn to carbon when running the motor and really gum up the works bad. <br /> <br />Don't forget to check the springs on the brushes, as well as the condition of the brushes. Too much spring tension will load down the motor. Too little tension will screw up the electrical contact and actually cause MORE burning on the commutator. <br /> <br />I've got to get some brushes and especially some new springs myself. <br /> <br />Mark in Utah
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