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How do I adjust the gas stove top burners?

I have a problem with the bottoms of my stainless steel pots and pans becoming black and crusty. I THINK this may be due to an incomplete combustion from the stove top burners. Is there a way to make an adjustment ? And how will I know when I have correctly made the right air to gas ratio ? stove is an older model Kenmore.

I don’t know if this plays a role but I use bottled gas delivered to my apartment.

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Hi @ramses2 m

What is the model number of your stove?

Check inside the oven door frame or broiler drawer (if your model has one) to find the model label with the info printed on it?

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The model # is 362. 71112001

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Hi Jayeff, Thank you for your input. There is no plate anywhere that would indicate which type of gas the stove is set up for. As I am less than impressed with the expertise of Mexican technicians, I’ll just have to live with the stove as it is. (I recently went to a locksmith to get copies of some keys made. I had to go back 2 more times and he still couldn’t get the copies made correctly. )

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Hi @ramses2 ,

Suggest that you do check it out if it is set up correctly as described by @mayer

If it is not set up correctly for LPG keep the area well ventilated or have short cooking times, so that you can "live" with it ;-)

Consult a major gas supplier in your area regarding gasfitter/repairers. They may have a list of "approved repairers" that may be better as they wouldn't want to have any possible comebacks to them about shoddy work etc.

Just a thought.

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2 Answers

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In addition to @jayeff fine answer:

If the stove has been changed from one gas to another, it is most likely set for Propane. Almost all appliances are set for natural gas at the factory and need to be converted to Propane. There will be a regulator where the gas connection is. Either at the back or under the top. This regulator will have a nut with a plastic cap on it [if the cap wasn't discarded] If you look at the nut it will have the letter P or N.P for Propane and N for natural gas. This nut is part of the conversion from natural to propane It is unscrewed and flipped to change the pressure.If it is not marked with a letter look in the center of the nut.If it has a pin sticking out it is set for natural gas and if it is hollow it is set for Propane. After this nut has been set you will need to adjust the orifices [if they are adjustable] or change them if they are not. If this stove has standing pilots on it there is a very good chance that the orifices are adjustable.

The conversion kit costs about $7.50 and is Kenmore Range/Stove/Oven Conversion Kit WB28K10564

In stock here: https://www.appliancepartspros.com/ge-co...

This is the double burner kit:

https://www.appliancepartspros.com/ge-do...

Here’s the installation video for doing that: https://www.appliancepartspros.com/ge-do...

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Hi @ramses2 ,

What is the colour of the gas flame.

If it's blue it's OK.

If it's yellow/red it's a problem as there may be carbon monoxide being produced due to incomplete combustion

If it is this colour all the time it should really be checked out by a licenced gasfitter as it could be in the regulator which may need adjustment which is done with equipment that the average DIY doesn't have.

One last thing, does it say NAT or LP anywhere on the model label or on the stove? (Check on the back)

This model stove can work with either Natural Gas or LPG but it needs to be converted from Natural Gas to LPG to work on LPG correctly. This ensures complete combustion will occur.

Not trying to worry you but just thought that I'd mention it if it is a stove new to you.

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The top burner flames are predominately blue with slight flickers of yellow. If I had to guess, I'd say 90 + % blue.

There is a plate that lists colummns of gas types. It says X number of BTU's for NATURAL and Y number of BTU's. It appears that the stove (made in Mexico ) is designed to work on either type of gas. Whether it has ever had an adjustment, I couldn't say. I bought the stove used 18 months ago. Also, I'd guess that nearly everyone here in Mexico, uses LPG , as I see dozens of LPG trucks making home deliveries, Even restaurants use LPG here.

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Hi @ramses2 ,

It should only be the very tips of the flames that are yellow (might depend on the quality of the gas provided so it may vary a bit) but it still may be that the regulator is out of adjustment or as you say the air flow and full combustion is not occurring

The only reason that I mentioned it about Nat/LPG is that in the parts list it shows a conversion kit to LPG.

Gas appliances do not run correctly on supplies different to what they are set up for.

Also they may not be able to be altered to suit the different supplies available.

Your model can be altered to suit and that is why it should be marked as to what it is set up for. If it isn't shown on the stove somewhere what it is set up for i.e Natural Gas or LPG (can't be both) and you don't know the history of it you may have to check this out as well as it could be dangerous to have an appliance set up for Natural Gas running on LPG

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Thanks to all for everyones great answers. P.S. : There are no standing pilot lights on the stove. It uses an electric starter that clicks repeatedly until the burn comes on . in the next few days I'll get after it and look for the N /LP nut described.

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Today I disassembled the small valve at the rear of the stove (where the gas line enters). On the top of the valve I found the nut and plastic cover that Mayer spoke of. I unscrewed the tiny part. That part is a very small pipe with the threads on the OUTSIDE. On one end of the "pipe" there is a nipple (with a flattened end sticking of one end. There is a fixed nut part way up the outside of the part. At first, I could not see any hole in the end of that "pipe". But, when I held it up to the light, I could see the tiny, tiny hole (it is much smaller than the tip of a super small sewing needle). There does not appear to be any letters punched into the end of that "pipe". It is possible there MIGHT BE a letter, but I'd need a powerful magnifying glass to be sure.

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Please see my last comment.

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