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  • Leaking Lever

    Hi all,

    I have a VBM Domobar Super. Blind flushing today and noticed a small drip from the lever.
    just need some help identifying what I need to replace.
    is it likely to be gaskets and seals or a worn group stem cam?

    should I proceed to replace the Teflon gasket and rubber seal first and see if it fixes it?

    thank you

  • #2
    Originally posted by SunnyCoastDazza View Post

    should I proceed to replace the Teflon gasket and rubber seal first and see if it fixes it?

    thank you
    I would, looks daunting when you look at the exploded diagram, in fact its pretty straight forward, just take careful note of the order of disassembly.

    Coffee Parts can help with seals etc.

    https://www.coffeeparts.com.au/parts...lever-operated

    Comment


    • #3
      just re run machine a cple more times to fully identify where leak is emanating.
      From your words i would look up to the group seal.
      if yes first remove and thoroughly clean existing seal and gh area.
      if it is from lever / shaft /cam there are 2 seals there.
      suggest a full service clean n lube.
      GL

      Comment


      • #4
        Originally posted by EspressoAdventurer View Post
        just re run machine a cple more times to fully identify where leak is emanating.
        From your words i would look up to the group seal.
        if yes first remove and thoroughly clean existing seal and gh area.
        if it is from lever / shaft /cam there are 2 seals there.
        suggest a full service clean n lube.
        GL
        she had a service maybe four months ago? I will have to find the invoice to se what was done. There is no leak or lack of brew pressure when pulling a shot. I only noticed it when running a blind

        Comment


        • #5
          If you notice the leak coming from between the lever shaft and the body itself, most likely the culprit is the compression seals that are meant to prevent this. They do deteriorate over time and should be replaced along with the other gaskets, etc...

          Mal.

          Comment


          • #6
            Originally posted by EspressoAdventurer View Post
            just re run machine a cple more times to fully identify where leak is emanating.
            From your words i would look up to the group seal.
            if yes first remove and thoroughly clean existing seal and gh area.
            if it is from lever / shaft /cam there are 2 seals there.
            suggest a full service clean n lube.
            GL
            she had a service maybe four months ago? I will have to find the invoice to se what was done. There is no leak or lack of brew pressure when pulling a shot. I only noticed it when running a blind

            Comment


            • #7
              Click image for larger version

Name:	image.jpg
Views:	1
Size:	296.4 KB
ID:	750975The leak is between the E61 brass sleeve stem camme. I assume it’s just seal. Will place an order for these. Chers
              Last edited by SunnyCoastDazza; 15 November 2019, 04:08 PM. Reason: Pic

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              • #8
                You also have to make sure the parts supplier you use knows that it is a VBM machine, since these use a proprietary group design. It is not a garden variety E-61 Group...

                Mal.

                Comment


                • #9
                  Play it music...50 Ways to Love your Lever

                  Comment


                  • #10
                    Originally posted by Dimal View Post
                    You also have to make sure the parts supplier you use knows that it is a VBM machine, since these use a proprietary group design. It is not a garden variety E-61 Group...

                    Mal.
                    thank you. I ordered from coffeeparts by using their exploded diagram ��

                    Comment


                    • #11
                      Originally posted by wattgn View Post
                      Play it music...50 Ways to Love your Lever
                      Just get a new seal, Neil
                      Don't forget the cam, Sam
                      Also the pins, Jim
                      Better get some lube, dude ...etc

                      Given that one seal needs to be replaced, be prepared for the possibility that other components may also be worn and need replacing.

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