Service kit for Optimus 111T

Discussion in 'Fettling Forum' started by Dave Noke, Dec 5, 2022.

  1. Dave Noke New Zealand

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    Hi

    Where can I get the service kit for a 111t stove as I understand ift is different to earlier 111
    Can someone enlighten me and explain the differences and a possibly link to buy the relevant kit

    thanks
    Dave
     
  2. snwcmpr

    snwcmpr SotM Winner Subscriber

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    You also asked for an NRV tool.
    Contact @loco7stove directly.
     
  3. JP2

    JP2 Subscriber

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  4. Dave Noke New Zealand

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    I understand the kit for the 111t is different am I wrong or missing something
     
  5. Tony Press

    Tony Press Netherlands Subscriber

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    If by “kit” you mean the washers, seals and pump cup, there’s no difference between the models.

    The only things that differ are the burner components (not including the burner fibre washer, which is the same).

    Tony
     
  6. Dave Noke New Zealand

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    Is the Nrv the same or do I substitute the pip in brass holder for the original
     
  7. JP2

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    Check the link I send you and you will see what is in the kit.
     
  8. Tony Press

    Tony Press Netherlands Subscriber

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    The NRV is the same between 111 models.

    I’m not sure what you mean in your quote above, but the usual pip arrangement for the NRV is a brass cup, that sits in the spring, and a pip that sits in the brass cup.

    Some very late NRVs have a shaped pip that fits into the spring without the brass cup. My advice is that if you have one of these, replace it with the brass cup and pip.

    Tony
     
  9. Dave Noke New Zealand

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    where is best place to get a good Nrv tool for the 111

    Thanks for your assistance
     
  10. Afterburner

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    Your workshop! Commercial versions are often too weak and made of too soft steel/iron.

    I did one version in my workshop: AB NRV-00/111
     
  11. Ray123

    Ray123 Subscriber

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    I've only worked on a few 111's but they all had the now obsolete style molded pips so I did have to add a brass cup holder to use a conventional pip. The brass cup is pictured in JP2's link
     
  12. snwcmpr

    snwcmpr SotM Winner Subscriber

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    With patience, really good penetrating oil, and an old NRV wrench, the 111 should not be a big problem to get it off.