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Unanswered can I replace the ptfe tube in my "j" style hotend

Discussion in 'Troubleshooting' started by Kirk, Apr 23, 2015.

  1. Kirk

    Kirk Member

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    so I think I may need to replace the PTFE tube in my J style hot. I have contacted Robo and they can't get anymore from their supplier. what I'm wondering is if I buy a length off of ebay can I replace it with that?
     
    #1 Kirk, Apr 23, 2015
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    #2 mark tomlinson, Apr 23, 2015
  3. Kirk

    Kirk Member

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    I already bought a 1 meter length would I just cut it?
     
    #3 Kirk, Apr 23, 2015
  4. Ziggy

    Ziggy Moderator
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    If the inside and outside diameter are the same then a short piece will be fine.
     
    #4 Ziggy, Apr 23, 2015
  5. Kirk

    Kirk Member

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    does anyone know what the i.d. and o.d. are on the factory "j" head are...the one I bought is 4mm od 2mm id
     
    #5 Kirk, Apr 23, 2015
  6. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    I can perhaps hunt up the old j-head if nobody else remembers or can measure it.
     
    #6 mark tomlinson, Apr 23, 2015
  7. Mike Kelly

    Mike Kelly Volunteer

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    It's almost certainly 4mm od 2mm id
     
    #7 Mike Kelly, Apr 24, 2015
  8. Kirk

    Kirk Member

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    I know this may be a stretch.. But is there a video or similar for the process?
     
    #8 Kirk, Apr 24, 2015
  9. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Maybe the original Robo assembly process if they have not updated it.
     
    #9 mark tomlinson, Apr 24, 2015
  10. Mike Kelly

    Mike Kelly Volunteer

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    I feel like they did share a video forever ago on how to replace that. But just look on youtube for Jhead PTFE replacements, I'm sure something is on there as the Mk8's are still pretty popular.
     
    #10 Mike Kelly, Apr 24, 2015

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