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LP conversion of oven burner and adjustment of burners

We have recently converted a Maytag Gas Range from Nat'l Gas to LP. The user guide have three models listed MGS5770/MGR5870 and MGS5870. We successfully converted the pressure regulator and each of the burner orifice hoods under the sealed burners (screwed orifice hoods completely down against the pins per the instruction manual). Did the same thing for the upper and lower oven burners. All air shutters are open fully. Questions
1. The top burners work well except that it takes a really long time (15 min+) for a moderate size pot of water to boil. Should we back the orifice hood away from the pin a turn or two?

2. The bottom oven burner flame is much too big - lots of yellow flame and a black carbon deposit coming from the top vent. The install manual says to replace the orifice hood with a 1.25 mm orifice hood. The manual shows a hood with female threads that fits over the orifice base. The actual oven orifice is male threaded - it fits down into the orifice base. So - do we need to purchase a 1.25 mm male threaded orifice hood and, if yes, how do we disassemble the oven burner in order to make the replacement. A part # and source would be greatly appreciated.

FYI - the reason we don't know the exact model no. is that the local Maytag plant donated some of these ranges (after the Whirlpool buyout) to the local Habitat for Humanity store that we like to patronize. Maytag removed the serial no./model no. plate from the bottom drawer. We guess they didn't want to provide warranty support on stoves that they donated. Oh well, bet they took the full retail price tax deduction anyway - sigh! The user guide have three models listed MGS5770, MGR5870 and MGS5870

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4 Suggested Answers

jumptrout51
  • 3361 Answers

SOURCE: Problem with conversion of used Whirlpool Range from NAT to LP

Take a 1/2 inch open end wrench and adjust the orifice on top of the oven gas valve.
Tighten it down until the flame is normal. Blue with white tips.

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: LP gas conversion oven flame to big

I did all this and the flames are still huge inside the oven...

Posted on Nov 27, 2009

TheMobilian
  • 8147 Answers

SOURCE: I just bought a newer

Remember this: Crank down and flip. You must tighten down all the top and the oven valve orifices and open all the hutters and flip the nut on the regulator. crank down and flip.

Posted on Jan 14, 2010

TheMobilian
  • 8147 Answers

SOURCE: Having just converted my Vulcan

The oven safety valve has to be cranked down for propane.themobilian_815.jpg
Get a good fitting wrench and tighten this spud down and open the air shutter on the burner.
This video shows how to tackle a crank down and flip type LP conversion whilst yours might be a bit more fancy it still must be adjusted like any other stove:

Posted on Jan 10, 2011

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The oven safety valve has to be cranked down for propane.themobilian_815.jpg
Get a good fitting wrench and tighten this spud down and open the air shutter on the burner.
This video shows how to tackle a crank down and flip type LP conversion whilst yours might be a bit more fancy it still must be adjusted like any other stove:

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moz-screenshot.pngmoz-screenshot-1.pngTurn off the gas supply.
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