I have it saved from post 28 and back for future use.. The fan pictured is from an 2007 MODEL.
From what Mas172 states, it sounds like the brushes, with the extra heat (generated from jambing up with 12 volts still going to it) had the brushes "weld" themselves to the brush housings. Does that sound about right Cliff/Final, ?
No one to my knowledge has had one apart until now.
BTW, Excellent job (and smart) getting that motor apart without destroying it!
Some thoughts:
As stated the brush housing melted and distorted. I'm not sure if these are wired brushes having a wire wound flexible wire to carry the current or a they use the spring which tensions the the brush to the communicator to transfer the current. If the spring carries the current its very likely they go flat from the heat and LOOSE TENSION so the brush NO LONGER makes contact. In addition of the housing melts and sticks the brush in place or it c0cks sideways its game over!
EDIT: thread tag so I can find it (sticked lol)
JJD952 - electrical
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