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The furnace wont stay running. there is adequate feul

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I'm guessing you have an oil burner because of the "Adequate Fuel" statement. If so, be VERY careful while following this suggestion, OK? There should be a small inspection hatch on the front above the burner. Be sure everything is turned off and the fire is NOT still burning in the combustion chamber. Use a flash light and look in the inspection hole. If you can't see the end of the burner, use a mirror. If there is oil sitting in the bottom of the chamber, don't fire it. If you can see the end of the burner, it will look something like the picture. What usually happens is the nozzle partially plugs and the spray pattern goes a little goofy. As a result, the oil does not burn completely. Some will build up on the bottom of the chamber, some will create a lot of smoke and some will harden on or around the electrodes. All you can really do is check for unburned oil in the chamber and see if the electrodes are shorted with carbon. If you see a carbon arch on the electrodes, you can VERY gently remove it for a quick fix. If a lot of oil has built up in the chamber, the fire will continue to burn when the thermostat is satisfied and shuts off the burner. I have seen flu pipes red hot from this so be careful in deciding to re-fire it. There are several CRITICAL adjustments that require special tools to accomplish. Regardless of how things work out, you need a service tech. who knows what he is doing. BE CAREFUL! Sorry, my picture is too large. Just go slow and look it all over. If you are not in an emergency situation, call a service guy.

Posted on Apr 01, 2011


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