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Boema single group gasket replacement

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  • Boema single group gasket replacement

    Morning all, Im a newby to this excellent site and hope someone can offer me some advice on replacing the rubber gasket that prevents the group head from leaking. I have a replacement gasket but am unsure of how to remove the old one. I have owned the unit from new. Its a single group semi auto model.. Thanks in anticipation

  • #2
    Re: Boema single group gasket replacement

    be interested to learn this too as i have to do same job :-[

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    • #3
      Re: Boema single group gasket replacement

      If it is a saturated group head like a silvia then it is a matter of finding something pointy stabbing the old group seal and prying it out.

      If the seal is very old e.g. hard then it may break-up on removal.

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      • #4
        blaggon, I was searching for "Boema group seal" and came across this. How did you go with removing the seal? Was it a case of stabbing it like what chrislng said? I think I need to do mine too. Tried carefully levering it out with a small screwdriver but didn't want to scratch anything up so didn't make too much of an attempt. Cheers.

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        • #5
          Just get an angled pointy object, stab it in, twist it in to get a grip on it then pull the gasket out. Alternatively, find 2 small, self tapping screws and screw one into either side of the gasket. Then simply use pliers to grab onto the screws and pull the gasket out.
          Has to be a pretty serious case to use either of these methods really, a bit of gentle leverage and patience is enough for even the worst gaskets. Replaced the gasket on my 1977 Europiccola, pretty much broke into pieces as soon as I applied pressure to it haha.

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          • #6
            Thanks. Ended up using a small awl to stab it and 'lever' it out. FWIW, I noticed there wasn't a spacer above the seal but replaced the seal without it in any case. Next time, will try it with a spacer for a more snug fit of the portafilter.

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