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Old 09-17-2012, 08:36 PM   #3 (permalink)
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Join Date: Dec 2010
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I was about to buy a new servo when I tried this complete cleaning. There apparently was some oil down in there from overzealous lubricating that caused it to respond (spin), but not move on command. This cleaning saved me I think around $30 or whatever they charge for these servos'. I had thought the carbon brush area was sealed until this helpful post!

Highly recommended. BTW, in usual circumstance, the carbon will dust off from the friction of the "finger pad" causing erratic behavior, this is why spraying alcohol down into the volume knob of an old stereo that "crackles" when you adj the volume works. In the video you asked "how these even get dirty" or something of the like so there is your explanation
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