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Flame sputters I cleaned my beckett oil burner changed nozzle,filter, and set electrodes also changed screen in oil pump for the first time in 20 years [didn't know it was in there] now it starts up fine and runs good but flame goes out for a split second and fires up again this happens every few minutes during cycle checked ,air setting, tightened all oil line fittings still same problem. Any help would be appreciated Thanks

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Hey welcome to the world of oil burner service!! :-) Theyare a finnicky beast to say the least. The problem you are having sounds like an air mixture problem. A combustion analyser would be the best tool to have but being that you probably don't have that try this. On the left side of the burner as you are looking at it is an air adjust ment ring and a fine tuning ring. the fine tuning ring is probably all you need to adjust. There is a screw that is usually right behind or near the pipe coming out of the pump and going into the burner. Loosen that and turn the ring away from you just a bit to close off some of the air and you will be fine. The burner is running a bit to lean. If you can see the flame turn the adjustment closed just until the flame color turns from a almost white color to a slightly orange color. Then you should be fine. Good luck!!

Posted on Nov 15, 2009

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My oil burner works fine while firing, but when it shuts off, there is fuel oil continuing to come from the nozzle. I get flames outside the combustion chamber when this happens, and I can find no...


The check valve is inside the nozzle. If you change your nozzle the problem will more than likely go away. Oil burners require annual routine mantainence to run properly. The part that bothers me is you said you are getting flames outside the combustion chamber. If the flame is outside the combustion chaber but still inside the furnace, you may very well have a broken heat exchanger which is very dangerous and could kill you with carbon-monoxide gas. I would suggest having this checked by a qualified HVAC contractor as soon as possible.

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I think the fuel pump on my beckett burner is clogged is there a way to clean it. Ive replaced the filters and get fuel to the burner but get no fuel up to the line feeding the nozzle


As you face the burner, mounted in the unit, the oil line feed in on the left side. There is a cap, held on by 4 7/16" bolts. Inder the cap, there is a screen. You would be best to get a screen kit, available from the same place you get your nozzle, as it will come with a new gasket.

Shut off the oil. Remove the four bolts, pull the old screen, clean the housing (I use rags and WD40) and re-asssemble. If is is really bad, you should remove the nozzle assembley and flush the oil line to the nozzle, as well.

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1 Answer

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