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EM6910 Weird group seal behaviour

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  • EM6910 Weird group seal behaviour

    Hi,

    Am wondering if anyone has come across this before. My machine is roughly 9-10 months old and recently has been showing signs of a worn group seal. Generally the PF locks in around 4:30-5 oclock. When pulling a shot I dont see any signs of leakage.

    Ive noticed however over the past week that this has worked its way back to 6 and now 6:30! When I got the machine new, it would lock in dead center at 6.

    Ive taken off the shower head, removed the group seal and inspected it. There are some signs of a very small split, but in general it looks ok, though feels firmer than I remember it.

    Any ideas? Has anyone come across this before? I suspect the rubber is starting to perish and will probably go very britle sometime soon.

    Thanks.

    -ACog

  • #2
    Re: EM6910 Weird group seal behaviour

    Mine has been doing that and spitting o9ut the side. I replaced the group head seal and am still having the same trouble. I think it may be a work collar. >

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    • #3
      Re: EM6910 Weird group seal behaviour

      Sent an email to sunbeam and they very helpfully sent me a diagram on how to fit the seal. I politely told them I knew how to fit the seal and have now decided to take it in before the warranty runs out in 2 weeks.

      So I will be without my coffee for a while

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      • #4
        Re: EM6910 Weird group seal behaviour

        No good Stan. Hope it gets sorted. Mines been ok lately until tonight when the PF threatened to come undone and explode over me. Lucky I had a quick hand and saved the shot (was a pretty darn good pour too).

        Do you mind posting the diagram SB sent you? It might be helpful in future for someone else.

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        • #5
          Re: EM6910 Weird group seal behaviour

          Originally posted by 5D5F535B5B55524F3C0 link=1245415020/0#0 date=1245415020
          I suspect the rubber is starting to perish and will probably go very britle sometime soon.
          Those ones dont go brittle; Ive only known them to eventually split (though one of mine actually lost a small chunk once instead).

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          • #6
            Re: EM6910 Weird group seal behaviour

            Its really odd that one day it will lock in at 6 and other days 5 or even 4:30 ish.

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            • #7
              Re: EM6910 Weird group seal behaviour

              I have tried to attach it as a document but my attempts failed - I am not tecknoligcal.  Any instructions on how to do it  :-/

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              • #8
                Re: EM6910 Weird group seal behaviour

                Theres an attach file option when you reply. Just click browse and find it. If you preview the post, then you have to re-attach the file before posting.

                Comment


                • #9
                  Re: EM6910 Weird group seal behaviour

                  Originally posted by 073B263D373621343C37530 link=1245415020/4#4 date=1246539996
                  Originally posted by 5D5F535B5B55524F3C0 link=1245415020/0#0 date=1245415020
                  I suspect the rubber is starting to perish and will probably go very britle sometime soon.
                  Na... The Silicon ones suffer as per TGs comments below.

                  Those ones dont go brittle; Ive only known them to eventually split (though one of mine actually lost a small chunk once instead).
                  Have seen them start to go all goeey and sticky as well.

                  Originally posted by 32303C34343A3D20530 link=1245415020/5#5 date=1246540414
                  Its really odd that one day it will lock in at 6 and other days 5 or even 4:30 ish.
                  DOSING LEVEL :-)

                  The new EM5900 do not have stepped lugs either... They are tapered like all other good machines... Got a dremil into my SB Naked and now it works on my SB and my new Junior:-)

                  Originally posted by 0027323D530 link=1245415020/6#6 date=1246605572
                  I have tried to attach it as a document but my attempts failed - I am not tecknoligcal.  Any instructions on how to do it  :-/
                  Your forgiven... Your from CAIRNS ;D 8-)

                  As per..
                  Originally posted by 32303C34343A3D20530 link=1245415020/7#7 date=1246618615
                  Theres an attach file option when you reply. Just click browse and find it. If you preview the post, then you have to re-attach the file before posting.

                  I am BACK


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                  • #10
                    Re: EM6910 Weird group seal behaviour

                    AM,
                    Dosing level doesnt explain why it locks in differently even when empty; I checked that already.

                    funnily enough, I have two PF, one naked one normal (clothed?) and they both lock in at different spots, always have. I think one is from the original EM6900 and perhaps the lugs site slightly lower/higher?

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                    • #11
                      Re: EM6910 Weird group seal behaviour

                      Originally posted by 76747870707E7964170 link=1245415020/9#9 date=1246619415
                      AM,
                      Dosing level doesnt explain why it locks in differently even when empty; I checked that already.

                      funnily enough, I have two PF, one naked one normal (clothed?) and they both lock in at different spots, always have. I think one is from the original EM6900 and perhaps the lugs site slightly lower/higher?

                      Sorry... Did not see that bit of extra info :-)


                      I have found that Cold Vs Warm/hot it will lock in slightly differently and if it is WET Vs a Dry seal / PF...


                      Lugs and different PF have an impact as well... One PF I have sits up an extra 1mm..



                      Keep looking I am sure you will track it down :-)   Thats what my wife always says to me...

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                      • #12
                        Re: EM6910 Weird group seal behaviour

                        Im not too worried, more interested to hear from others if they have the same issue.

                        Ill buy a new seal soon, but this one isnt splitting yet, so why not run it until it does split?

                        For the sake of anyone else needing one in Melbourne, the North Melbourne sunbeam centre had a full stock of them a few weeks back, at about $26 each.

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                        • #13
                          Re: EM6910 Weird group seal behaviour

                          I am trying but it doesnt seem to be working keeps telling me the file is to large.  So I changed the format and reduced it but still wont go. Looks like it worked this is page 1

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                          • #14
                            Re: EM6910 Weird group seal behaviour

                            Page 2

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