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Oil furnace help

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Old 02-15-2009 | 07:58 PM
  #1  
JKM's Avatar
JKM
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From: SunnyVale Trailer Park
Oil furnace help

There is a vast knowledge base here on DTR it seems , there is always someone with knowledge on a certain topic. With that said , I am having some trouble with my oil furnace, it still works , but the burner is horribly loud , it sounds like it is a pump starving for fuel. there are two filters in the fuel line, I replaced one , and washed the metal screen which is the second filter. the filters made no difference in sound, it does still work , but it seems to run a lot more than usual to keep the house warm.

here is a video I took today ( excuse me falling up the stairs at the beginning )

Old 02-15-2009 | 08:07 PM
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From: Kalamazoo, Michigan
That looks like a Riello burner.

That sounds like a bad oil pump.

Not pumping enough oil, or making enough pressure, would make it run longer and produce a smaller flame.

Last one I heard that sounded like that malfunctioned in the night and burned the house down, but I wouldn't worry about it.










J/K! It DOES sound like the pump tho. Oughta have that looked at before it totally fails and leaves you w/o heat at all.

chaikwa.
Old 02-15-2009 | 09:53 PM
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From: Whitehorse, cultural hub of the universe..
That is a riello burner, and that sounds like the air fan is losing a bearing to be honest with you. The fan comes on 15 - 30 seconds before the oil pump kicks on, in order to purge the combustion chamber.

I would have a look at that. Simply because the pump is doing its job, if you listen carefully, the flame front sounds consistent behind the fan noise. This indicates to me that the spray in pressure is proper, otherwise you would hear the relay kicking to power the igniters repeatedly.

These riello burners only use the igniters to start the flame front, then rely on high pressure spray and proper atomization through A/F ratio to keep the flame on. When they are not working properly, they will cut out after too many igniter cycles per ignition.

Once again, since the sound of your flame front is consistent, look into bearings and perhaps fan contact within the housing. Measure carefully as to the air opening, before taking anything apart, and put it back together EXACTLY the same way. If you goof it up, the burner will not run right.

Once upon a midnight dreary, a bunch of times. I worked on these burners. Basically, I had purchased one, and the old-timer who sold and installed them, dragged me to his shop on a saturday morning, and made me put the whole thing together. Then he gave me an all day course on the operation and troubleshooting.

Then the old bugger sent everyone MY way when they had trouble in the middle of the night. Crafty, yes. Sold it to me at 1/2 price too. Think he had the idea in his head all along?

Good Luck
Old 02-16-2009 | 12:48 AM
  #4  
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From: Bristol Michigan
It sucks when they teach you how to take care of your own toys, doesn't it?
Old 02-16-2009 | 07:48 AM
  #5  
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From: Kalamazoo, Michigan
I think I'd put my money on Pind's advice!



chaikwa.
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