Blower not installed correctly

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  #1  
Old 07-08-10, 10:39 PM
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Blower not installed correctly

Miller wall furnace model cmh72-a serial 1d0788-00707 the blower housing seams to overhang several inch's and I can feel air blower over the furnace.It won't go back any farther due to these metal tabs blocking it. It's not even screwed in place.

http://img20.imageshack.us/img20/9022/1041091.jpg

http://img337.imageshack.us/img337/619/1011099.jpg

The front screw holes on the housing don't match up with the holes in the front.
 
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  #2  
Old 07-13-10, 10:42 AM
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Mismatched blower

It appears that the blower is one that was "close" to what was there. Because those trailer furnaces are downflow heat won't go out through the ductwork by gravity as it would tend to do in a conventional home. If the original blower failed in cold weather then what's there was better than nothing.
 
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Old 07-13-10, 07:35 PM
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Pictures

Is that second picture of the radiator (part which goes up behind the blower)? If so, you have bigger problems than a blower which won't fit.
 
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Old 07-15-10, 07:01 AM
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Just replace it with the correct blower...

Used for replacing Either the CMF or MOC
3-SPEED BLOWER Complete With Housing & Blower Wheel 903126 or
903866

Intertherm / Nordyne / Miller furnace replacement parts | Mobile Home Heating | Beckett Burner
 
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Old 07-15-10, 07:31 AM
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Blower

The furnace pictured is neither a CMF or MOC. Both of those models have swing open non removable doors.

I'm more concerned with what appears to be holes or cracks in the heat exchanger & strongly suggest getting a professional to take a look at the furnace.
 
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