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Originally Posted by Bruce Bonds
Thanks Brian and Craig. I'll be checking the motor this afternoon. I plan to remove it and try to jump it to the battery. Could worn out brushes be the problem? Probably not, since I didn't have the usual symptoms where you have to tap the motor to get it started. I wish it was the same as the 123 motor, because I have two spares. I'll know more in a little while.
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Jumping it to the battery won't tell you anything because you already know that it works. Try and rotate the armature by hand. See if it rotates freely or is indicating that it is sticking. I recently had a problem with the aspirator motor. After 18 years it was screaming in its bushings. Just had to remove the armature, clean it up, and put a couple of drops of oil onto it. I'm not sure if you can take the blower motor apart. But, it's probably worthwhile, if its possible.
Worn out brushes are not the problem if the motor works. Of course, the brushes are probably worn down pretty low by now, but, that has nothing to do with the original problem.