I agree with the description of operation from John. Just something to check...
I had a blower where the outside ring of the plastic squirrel cage fractured and when on high, would expand and rub against the blower housing to the point where it wore a groove thru it. At lower speeds, it was normal.
george
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"...out to my ol'55, I pulled away slowly, feeling so holy, god knows i was feeling alive"....written by Tom Wait from the Eagles' Live From The Forum
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