Problems with 8R

Discussion in 'Fettling Forum' started by William Moss, Mar 8, 2019.

  1. William Moss Canada

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    I have an original 8R, almost brand new though bought around 1980. Can't get a blue flame on it. Any suggestions? Thanks in advance.
     
  2. JP2

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    @William Moss
    Hi and welcome.
    Have you done any maintenance lately? If you can give us a little bit of story about your stove and maybe some pictures of your stove running, that could help to figured out what could be the problem.
     
  3. Sparky

    Sparky Subscriber

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    Try bending the arms on the burner plate VERY slightly down to lift the burner plate up a mm or two.
     
  4. snwcmpr

    snwcmpr SotM Winner Subscriber

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    Last edited by a moderator: Mar 8, 2019
  5. Sparky

    Sparky Subscriber

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    Do try adjusting the burner plate. Years ago, we discussed the importance of precise spacing between the plate and irifice to achieve th proper fuel/air ratio which gives that blue flame.
     
  6. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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  7. hornillo

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    What kind of fuel?, unleaded gasoline, coleman fuel.
    Greetings.
     
  8. Tony Press

    Tony Press Australia Subscriber

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  9. William Moss Canada

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    Hi JP2. Cleaned it up, everything seems to be in working order though I may need a new gasket on the fuel tank (dixit BernieDawg). I don't want to take it apart until I see if the gasket was the problem or not. Using Coleman fuel. The stove was only used three or four times after purchase (35 years ago) and twice this winter. I cleaned out the nipple with isopropyl alcohol then burned it twice for 20 minutes to clean out any crud there may have been but I don't think it was used enough for crud to build up.
     
  10. snwcmpr

    snwcmpr SotM Winner Subscriber

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    I am not sure what your reference to BernieDawg is about.

    Even a new, unused, stove, that old, would need a new filler cap seal and SRV pip. They age and get hard.

    If the filler cap seal is soft to the 'poke', then maybe all is well.
    I would suggest a 'Dunk Test'.
    Cold or room temp stove, empty, put into a container/sink of hot water. Stove turned off, watch for bubbles as the pressure builds when the tank gets hot.

    If the dunk test shows no bubbles, then I would suggest running the stove for some time to 'clean the pipes'.
    If bubbles, order a filler cap gasket and pip.

    Ken in NC
     
  11. JP2

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    Hi
    The Dunk test is a classic before anything else for safety and understanding. For what concern the flame, I recommend that you read all 3 links above coming from @kerophile if you want to spoil yourself with quality information concerning a blue flame.
    Enjoy