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Thread: JB end cap seal

  1. #1
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    JB end cap seal

    Anybody know what type of seal material is on the pump oil reservoir cover?
    Is it something reusable like a o-ring?
    I want to open mine up tonight but didn't want things to go down hill for tomorrow.
    “If You Can Dodge A Wrench You Can Dodge A Ball”

  2. #2
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    Its looks like it could be a oring in figure 7

    https://www.google.com/url?q=http://...tmhT1LFzarkAVQ

  3. #3
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    Yea it was like a o-ring but square shape.
    Inside my pump looked like crap!!
    Last time it was rode hard and put away wet
    There was moisture in the oil.
    Last edited by itsiceman; 05-05-2016 at 10:56 PM.

  4. #4
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    It may be time to step up to an Appion. I love the ease of oil changes and the inside stays clean.
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  5. #5
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  6. #6
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  7. #7
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    Quote Originally Posted by kdean1 View Post
    It may be time to step up to an Appion. I love the ease of oil changes and the inside stays clean.
    I'd like to know more about how it works.
    There must be some oil that doesn't get changed and a area that could act like this but smaller I don't know.

  8. #8
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    I'm not aquainted with the inside of the TEZ8 yet. AFAIK the lowest point in the machine is the oil bottle and very little oil is elsewhere. I've had the oil get dirty pretty quickly when evacuating after a burnout, but changing the oil bottle put fresh oil in which stayed clean. We have two and the whole crew is pleased with them.
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    There = not here. Their = possessive pronoun. They're = they are
    It's = contraction of it is. Its = the possessive form of it
    Too = also. To = expressing motion. Two = 2
    Then = after that, next. Than = indicates a comparison.
    Questions should end with a question mark "?" Statements end with a period "."

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  10. #9
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    wow my jb 10 is a few years old with a lot of use, they tell you exactly how to clean, and your right a large box type o-ring, which is re-usable, I sold my tez 11$ EVERY time you pull a vacuum, and you have to use there oil...so tack 100$ on to purchase right away, and being summer I use my pump easily 50 times...that would be 500$ in oil for the season, SOLD was the best thing, after you clean that jb will be good as new, what the heck was that, I never saw sludge like that come out of a pump, and I've been cleaning them seasonally for 15 years steady?

  11. #10
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    I don't think you need to use the Appion oil with the TEZ8
    Performance would vary between different oils though.

    I don't think it was burnt oil sludge kind of gunk.
    It seemed more like dirt and whipped right out.

  12. #11
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    On my tez8, I refill the cartridges with black gold without issues. If I could find gallons of appion oil locally I'd buy it though.

  13. #12
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    the appion oil does have a advantage , you can see in, so if moisture is heavy itll turn white , read up on it, there are features I miss with the tez but all in all its a vacuum pump, my jb10 or any of my yellow jacket 6-8's work just as well, however I ONCE used that robinair, TERRIBLE performance.....

  14. #13
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    Oil turning milky with moisture is not Appion Oil Specific.
    Supposedly it is better at blocking moisture from contaminating it than some other brands and being able to see a big sample of it in the external tank is a big plus with the TEZ8

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