Question about GE Profile Spectra JGBP90 Gas Kitchen Range

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Sooting of pans in oven

Hi: I called the GE toll free number to ask how to get an LP gas orifice for and how to change the orifice for our ge xl44 oven, since we had to change the top burners from natural gas to LP, and since the LP orifices were supplied on the top, but no oven orifice. The customer rep told me that there were no orifices for the xl44 range's oven and that you only need to adjust the toggle type mini lever at the top of the back of the range...LOL!! It is not correcting the problem - unless we like to cook at less than 150 degrees. Can you help? I still get soot at any temperature above the 100 ro 150 degree range, and that is not only ridiculously slow, it's downright unsafe!!! Thx

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If you adjust the toggle type mini lever to a lower pressure so that the flame is just under licking up through the bottom of the oven and then adjust the air mixture to eliminate all but about an inch of yellow flame it should get rid of the soot.

You want to be sure that the flame is not pulling away from the middle bar where the gas comes out ( a little pull away is ok) and that there is not too much yellow flame. Find the happy medium and you should be good to go.

You may have to adjust the lever and the air mixture a few times before you get it right.

To adjust the air mixture you will need to remove the cover plate at the bottom towards the back, then loosen (no need to remove it) the one phillips head screw holding the air mixture cover in place. adjust the air mixture by moving the cover left or right letting in more air or restricting the flow of air more.

BE CAREFUL, to determine if the mixture is right you will have to turn on the oven bruner and everything will be hot. Wear protective clothing and BE CAREFUL to not burn yourself.

You can find a manual for this model by searching google for "ge xl44 manual". It was the first return when I did the search.
Here is a link if they leave it, otherwise you will have to search for it yourself. They explain how to adjust the air mixture in this pdf on pages 35 - 38.

Posted on Nov 26, 2008

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Yes i can help locate the pressure regulater where the gas line hooks up there will be a square lookin nut on top of it unscrew it and in side will be an insert and a spring one side of the insert will have nat thats for natural gas flip it over and the other will say lp then screw the nut back down should be fine o tay lol

Posted on Jun 05, 2008

  • robert samples Jun 05, 2008

    natural and lp operate on different pressures flipping the in sert over will change the pressure read your owners manuel about converting to lp all ranges are shipped natural gas



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Are you using natural gas or propane (LP)? It sounds like you may need to change the orifice size on the gas lines going to each burner. If you are using LP and have the orifice set for Natural gas, the flames will burn higher and hotter, causing heavy soot. Under each burner, there should be a small nut with a hole in the center at the end of the gas line. The hole for Natural gas has a slightly larger diameter than one for LP. Your stove should have come with extra orifices as part of a conversion kit. Could this be the case? There's also another orifice in the main gas regulator in the back of the stove. Have you checked to see if the orifice for the regulator is set correctly? Does the oven burn hotter than usual with heavy soot, too? If you could please answer these questions first, I can give you better advice. Let me know...

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