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Old 02-28-2016, 09:54 PM   #1
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Suburban Furnace Blower Motor (not available)

Removed the furnace today because the blower motor was screaming at times. After pulling it down I found the blower motor bearing felt just a bit rough. The number on the motor is 230772 and I cannot find this motor or a cross reference to one that is available. Anybody have any ideas?

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Old 02-28-2016, 09:56 PM   #2
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What model is your Suburban Furnace?

Better yet......

Check for motor part number here based on serial number of your specific model

http://www.laurelhurstdistributors.c...n_furnace.html
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Old 02-28-2016, 10:13 PM   #3
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Originally Posted by Old-Biscuit View Post
What model is your Suburban Furnace?

Better yet......

Check for motor part number here based on serial number of your specific model

Laurelhurst Distributors Parts Breakdown - Furnaces

Model NT45
Serial 910700841
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Old 02-28-2016, 10:23 PM   #4
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Try Grainger Industrial Supply or Napa,take your old one with you so it can be matched.
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Old 02-28-2016, 10:47 PM   #5
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Originally Posted by Dan Osborne View Post
Model NT45
Serial 910700841

Found another part number----231646

Check here for availability ......listed for $110
Just scroll down to your part number

Call 3RRV 1 888 733 3778

Good luck as most other suppliers are listing either number as NLA (no longer available)
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Old 02-29-2016, 09:52 AM   #6
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A shop that does electric motor repair should be able to pull that bearing out and replace it in an hour.

They repair furnace blower motors year round.
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Old 02-29-2016, 12:26 PM   #7
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Quote:
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A shop that does electric motor repair should be able to pull that bearing out and replace it in an hour.

They repair furnace blower motors year round.
I've had lots of good luck having all kinds of motors rebuilt cheaper than buying a new one. Look for an automotive starter shop if you can't find a motor shop.
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Old 02-29-2016, 04:25 PM   #8
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Checked already motor cannot be rebuilt...still looking.
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Old 02-29-2016, 05:38 PM   #9
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Cowherd electric
Jim's electric motor

Both located in Newington, VA
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Old 02-29-2016, 06:48 PM   #10
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Have you called Suburban? They should be able to tell you what can or can't be used as a replacement.
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Old 02-29-2016, 07:35 PM   #11
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Motor not rebuildable...but...

There are no obvious screws to easily open the case.

But there looks to be tabs bent inward to hold the cover on.

So get the wheel off first then try bending the tabs in then lift up the lid.

The brushes may explode so look carefully.

They can be held in place with small wires.

Get the shaft out and take it to a bearing store like motion industries and a new bearing is likely about 5 bucks.
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Old 02-29-2016, 10:48 PM   #12
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The motor will cost about $80- $140 from a Suburban dealer.

http://www.pplmotorhomes.com/parts/r...arts-instr.htm
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Old 03-01-2016, 12:04 AM   #13
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The motor will cost about $80- $140 from a Suburban dealer.

RV Furnace Repair Parts Online Catalog - PPL Motor Homes

Motor listed as 'NLA' ---No Longer Available
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Old 03-01-2016, 01:02 PM   #14
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JMHO: It's the mount bracket that makes this motor unique, and no bearings ,the armature shaft runs on bronze bushings , that are lubed from oil soaked felts that surround them. When the oil in the felt dries out the bronze bushings start to wear and squeal. I have salvaged this type of motor , by drilling small holes into the housing that surrounds the felt and re-soaking the felt with original 3-in-1 oil ( sewing machine oil ) allowing a day or two for the oil to soak the felt and re-lube the bushing , then bench testing the motor to make sure the squeal is gone. then using silicone sealer to cover the hole.
I have pictures of this process; I did my own over the summer ; but they are not yet in the computer , I'll get them downloaded and re-sized and re-post.

Option would be to find a motor with the same housing and shaft and fabricate a mount.
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