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Thread: Hose gaskets

  1. #1
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    Hose gaskets

    I have a set of 3/8" vacuum hoses that are 3/8" on one end and 1/4" on the other. The 3/8" gaskets need to be replaced but are not the standard 3/8" gasket, they are larger and seem to be tapered. I can not read the model # on the hoses any more. The hoses are in great shape other than the gaskets. Any help would be greatly appreciated. Thanks in advance.

  2. #2
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    Jun 2004
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    bought new rubber gaskets once
    What a ***** to install them
    I,ll never try again
    DON"T mess with the US
    I thought I had been there and done That.
    ITS ALL ABOUT LEARNIN!
    I thought it would be better by now
    "He who works with his hands is a laborer.
    He who works with his hands & his head is a craftsman.
    He who works with his hands, his head & his heart is an artist."
    ~St. Francis of Assisi

  3. #3
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    Quote Originally Posted by epacertified View Post
    bought new rubber gaskets once
    What a ***** to install them
    I,ll never try again
    I use the biggest allen wrench that will fit in the hose end ( 5 /16 I think ) and it seats the new ones every time. But yeah I was frustrated by the time I tried that for sure , they are impossible to do any other way.

  4. #4
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    Quote Originally Posted by tech45 View Post
    I use the biggest allen wrench that will fit in the hose end ( 5 /16 I think ) and it seats the new ones every time. But yeah I was frustrated by the time I tried that for sure , they are impossible to do any other way.
    seems the cone inside gets a little disformed from the on and off and the rubber is to hard to squeeze in easily
    DON"T mess with the US
    I thought I had been there and done That.
    ITS ALL ABOUT LEARNIN!
    I thought it would be better by now
    "He who works with his hands is a laborer.
    He who works with his hands & his head is a craftsman.
    He who works with his hands, his head & his heart is an artist."
    ~St. Francis of Assisi

  5. #5
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    I replaced mine and now they leak. Never again....hoses go in the trash when the seals are bad.

  6. #6
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    Quote Originally Posted by epacertified View Post
    seems the cone inside gets a little disformed from the on and off and the rubber is to hard to squeeze in easily
    Exactly what happened to mine.

  7. #7
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    Quote Originally Posted by epacertified View Post
    seems the cone inside gets a little disformed from the on and off and the rubber is to hard to squeeze in easily
    I thought the same thing as I was trying every which way to get the dang thing into the socket. I grabbed the biggest allen wrench I could get in and was determined just to ruin the hose and toss it ( 3/8 ) . I looked in and the gasket was seated , removed it and repeated a few more times. 3/8 seems to be the worst... 1/4 and 1/2 go smooth for one reason or other.

  8. #8
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    Buy new hoses if you can. Otherwise they're gonna leak if you change the gasket.

  9. #9
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    I bought gaskets. They are a real joke to install.

  10. #10
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    Quote Originally Posted by regles View Post
    Buy new hoses if you can. Otherwise they're gonna leak if you change the gasket.
    dont see why you would replace the whole hose because of a bad gasket.

    Just apply a bit of refer oil or Nylog to the gasket and screw the hose on to a valve....the gasket will seat in the schrader cup.
    Even petroleum jelly (Vasrline) will work. Dow Corning makes a deep vacuum grease (pricey at $25 per 8oz tube) but it works better than Nylog
    and easy to handle (no streamers or gobs).-

  11. #11
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    I regularly change my gaskets and o rings in the low loss ends, never had a problem. I was an instructor once and our school had some older gauges so I went through them all and rebuilt them. I found that old gaskets were particularly hard to remove but if you change them every so often they come right out and I use a drywall screw head to seat my 1/4 gaskets. I keep my gauges tip top. Remember to blow them out with nitrogen after you change them to ensure no gasket material made it in the hose to plug up a shrader.

  12. #12
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    yep.

  13. #13
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    Changed one last night after reading this thread. Unscrew the Schrader depressor and dig like hell to get the old gasket out. New one popped right in. Haven't tried it yet, but it looks good.

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