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Old 09-15-2018, 02:49 PM   #1
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Suburban oven - pilot will not light

I have a Suburban cooktop/oven in my MicroLite 21DS. The burners light fine but gas doesn't appear to be getting to the oven pilot at all. If I turn on the oven pilot knob and push in, I hear no gas and smell no gas, which leaves me to believe that the thermostat control may be faulty. I disconnected, inspected, and reamed out all the gas tubes leading to the pilot light and thermostat with a fine wire, so the lines don't appear to be clogged. I've searched the forum for answers, but everyone's problem seems to be that the pilot won't stay lit. In my case, I can't even light it! Has anyone else had this issue?
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Old 09-15-2018, 04:16 PM   #2
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Hi,

Are you holding the flame source in the proper location? Are you pushing and holding the knob in while your flame source is under the pilot area?

Perhaps describing fully the procedure you are using will give additional clues about what is going on.

FWIW.

Rich Phillips
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Old 09-15-2018, 05:41 PM   #3
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Thanks for your suggestions, Rich, but I have done all of those things. I have been camping for many years and have owned several trailers with ovens so I know the procedure well. In fact, we used this oven last year. That's why I suspect something on this has failed.
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Old 09-16-2018, 04:35 AM   #4
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Originally Posted by JayArras View Post
Thanks for your suggestions, Rich, but I have done all of those things. I have been camping for many years and have owned several trailers with ovens so I know the procedure well. In fact, we used this oven last year. That's why I suspect something on this has failed.
It sounds like your gas valve, there are 2 stages to it. When you depress the knob the magnet in the valve should pick up and let the pilot gas go through, then you hold it in until the pilot thermocupler gets hot which produces Millie amps and holds the gas valve open once you turn the knob from pilot. If your not getting gas your valve is not opening when depressed. Remove the pilot line at the valve and check if you have gas at the valve coming out. Has to be either the valve or the knob your pushing in to light it.
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Old 09-16-2018, 05:34 PM   #5
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See if the thermocouple has been displaced off the retainer. It does not take much trailer movement due to bumpy roads to displace it. If everything is aligned right and it still does not light, replace it!!! It be broken!!
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Old 09-16-2018, 06:32 PM   #6
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See if the thermocouple has been displaced off the retainer. It does not take much trailer movement due to bumpy roads to displace it. If everything is aligned right and it still does not light, replace it!!! It be broken!!
This is true, but he stated he's not getting any gas at the hood of the pilot at all to light.
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Old 09-16-2018, 06:57 PM   #7
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I know on mine if you pull the knob off under it is a screw for adjusting the pilot flame. Have you checked and try to adjust as it is a needle valve and might have some dirt in it.
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Old 09-16-2018, 08:39 PM   #8
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This is true, but he stated he's not getting any gas at the hood of the pilot at all to light.
Yes... I saw that. It makes sense because you have to heat up the thermocouple so that it holds open the valve to allow the propane to perpetuate the heating of the thermocouple. However, if the thermocouple is not in the proper place to open the pilot light valve, the valve will not allow the propane through to ignite.

Valve may be blocked or the thermocouple is broke.
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Old 09-17-2018, 07:00 AM   #9
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Yes... I saw that. It makes sense because you have to heat up the thermocouple so that it holds open the valve to allow the propane to perpetuate the heating of the thermocouple. However, if the thermocouple is not in the proper place to open the pilot light valve, the valve will not allow the propane through to ignite.

Valve may be blocked or the thermocouple is broke.
Well your kinda right, the thermocupler has nothing to do with lighting the pilot, only comes into play after the flame from the pilot heats it up to create Millie amps to open the gas valve. Other then that, is why you have to hold the knob in to let the gas flow.
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Old 09-17-2018, 08:17 AM   #10
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Thermocouple must be inline with pilot li ,,,
And it must also be clean !!!
Emery Cloth works well !!! l !!!
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