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Sunbeam EM6910 internal leaking - what part is this?

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  • Sunbeam EM6910 internal leaking - what part is this?

    Hi team,

    My Sunbeam machine has developed an internal leak, and I am wondering if anyone has a suggested plan of attack. The image I have included (see link), with the red arrow pointing at the place water has started hissing out when I start an extraction. I am about to take it apart, but if anyone has suggestions on the part number I need to fix this issue, I would be very grateful for the information.

    https://www.dropbox.com/s/xd9psro8vcwmmbk/IMG_20190308_093349995_scaled.jpg

  • #2
    Originally posted by jamesmc View Post
    Hi team,

    My Sunbeam machine has developed an internal leak, and I am wondering if anyone has a suggested plan of attack. The image I have included (see link), with the red arrow pointing at the place water has started hissing out when I start an extraction. I am about to take it apart, but if anyone has suggestions on the part number I need to fix this issue, I would be very grateful for the information.

    https://www.dropbox.com/s/xd9psro8vcwmmbk/IMG_20190308_093349995_scaled.jpg
    That’s the pump. I think there’s an o-ring in between those two pieces, but you may be better off replacing the whole pump as they’re not particularly expensive. It’s an Ulka EP5.

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    • #3
      Hi jamesmc
      The two sections screw together - should be easy enough to remove just the top section and fit an "o" ring from Repco or similar.
      Probably don't need to remove the whole pump.

      Here is a photo of the parts -

      Click image for larger version

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      • #4
        Is the top part in the photo a opv valve ?

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        • #5
          Thanks so much for the advice. I'm heartened to hear that it is not a major fix. I will be taking it apart soon and will report back.

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          • #6
            Is the top part in the photo a opv valve ?
            I always thought it was but I think it is called a primer valve. It can sometimes break down and then diverts all of the pump water, resulting in almost no flow from either the group head or hot water tap.

            @jamesmc

            Good luck with it - look forward to hearing how you go. Just a hint - use 2 spanners to undo the top brass fitting so you don't put too much strain on on the metal pipework as it is not very strong.

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            • #7
              I've recently pulled my em6910 out of the shed as my em7000 is acting up. After a couple of uses it started leaking all over the bench. I opened her up and lo-and-behold the same issue is occurring. Remembering that this forum post had the solution, I thought I would check it out and I realize that I never did report back how I went.

              So, long story short, yes I was able to replace the washer and that 2-spanners advice was very helpful (I bought a set for this purpose). And I was able to replace just the o-ring.

              Thanks so much for all the help team. I will now go see how good my memory is and try and repeat the process.

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