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Old 10-30-2019, 04:33 PM   #1
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Furnace Fan Won't Budge

After blowing two fuses on the Suburban SF/25Q furnace, I went outside to the air intake and tried to move the fan (squirrel cage). It will not move. Does the furnace have to come out of the trailer? If so, can a reasonably handy guy (me) handle it or do I have to go to a pro? Suppose I do remove the furnace...what am I likely to find with a frozen fan? I have read many of the furnace/fuse blowing threads, and this is how I got this far with diagnosis.
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Old 10-30-2019, 08:20 PM   #2
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This is for an SF30 but not a Q/ May help anyways because it shows how to remove that model from the RV. It looks pretty easy.



This one says FS 35 but probably means SF 35:

I would suspect frozen bearings or possibly the motor brushes wore completely down and damaged the motor armature. Either way it's probably a blower replacement unless you know someone who repairs motors.

HTH,

Ray
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Old 11-04-2019, 07:10 PM   #3
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Thanks, guys. I just learned from the DW that we purchased the extended warranty on our trailer. Off to the dealership on Friday 11/8. Will advise.
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