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Old 10-12-2014, 12:10 AM   #1
Creampuff
 
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1957 22' Flying Cloud
1971 31' Sovereign
1976 29' Ambassador
Malibu , California
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'76 Ambassador (center bath) Furnace Removal Advice

So, fired up the Suburban NT32 and it's functioning well except for the blower motor which is literally screaming for oil.
Does anyone know how much of the kitchen cabinetry has to be removed to get at the unit for service? I've worked on earlier series Suburbans, but they didn't require major cabinet demo.
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Old 10-13-2014, 06:50 PM   #2
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1957 22' Flying Cloud
1971 31' Sovereign
1976 29' Ambassador
Malibu , California
Join Date: Apr 2002
Posts: 513
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Well I figured it out- definitely have to completely remove the stove/oven and then the whole frigin' kitchen sink cabinetry.
Nice piece of industrial design work !
Next step- furnace extraction !
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Old 10-13-2014, 07:09 PM   #3
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1974 Argosy 20
2014 20' Flying Cloud
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My experience is that if the furnace blower motor needs oil, it is basically shot. I have tried to oil them with no long term luck. How many times do you wish to remove the cabinetry and repair the original furnace? It is 38 years old, has pilot light technology not direct spark ignition, and was made in the years which had recall issues requiring parts which are no longer supported by the factory.

While you have it out, replace it with a new one.
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Old 10-13-2014, 07:45 PM   #4
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1981 31' Excella II
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I would replace it. You need to use non-detergent oil on those bearings if you do keep it. My furnace is removable by just removing screws and pulling it out from under the cabinet. If there is thick flooring in the way then you have to remove the cabinet as you found out. The burner log get full of rust and dirt dobers and and wasps build nests in the heat exchanger. Also rust will eventually put holes in the heat exchanger if it has not already.

Perry
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