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Old 02-09-2010, 02:37 PM  
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Originally Posted by travelover View Post
Can you just jumper the motor (supply it with 110v) and see if it kicks out after a time? maybe the problem is with a controller, not the motor itself
If it is a bad motor Grainger may sell you one for $50 or so.

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Old 02-09-2010, 06:30 PM  
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Ok that's what I assumed from the start however, being that it does start and run as normal for a brief time, indicates that the capacitor will most likely not be the issue.
Well, I guess it was worth a shot.

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Old 02-12-2010, 10:22 PM  
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Well, it's all working correctly now..

I took the capacitor and blower fan to a great shop I found (Econo Temp, Downers Grove, IL). They were able to test the motor as well, and the bearings were borderline bad, just tight enough to occasionally start and run. I bought a new fan from them, and they let me borrow some tools at their shop to install it into the housing, along with some helpful hints. I've learned a great deal about how furnaces work now.

The original repairman was pretty much useless, as he should have known that the fan would be unreliable and should have made it clear that I should replace it now, especially since it's the middle of winter. Instead, he performed a carbon monoxide test without my approval (I have detectors in three rooms, and just had a test done two months ago during an inspection) and tried to tell me I needed an entire furnace, without even giving me a price. A waste of time and money.

I'm glad I met Econo Temp, as I want to add A/C this summer, and now I have someone I can work with!

Thanks for the help, I find myself looking at this message board more often.

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Old 02-13-2010, 10:11 AM  
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It is really heartening to hear about good, small shops with honest and helpful employees. Thanks for posting the follow up. A pox on the dishonest furnace repairman that wanted to rip you off.

When I can, I go to Google Maps and find the business and leave a report - good or bad - there, to help others.
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