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Thread: Boema single group gasket replacement

  1. #1
    aussiegoldcoast
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    Boema single group gasket replacement

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    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. #2
    Junior Member
    Join Date
    Aug 2011
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    Re: Boema single group gasket replacement

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

  3. #3
    Senior Member
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    Jun 2011
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    290

    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.


  4. #4
    VC
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    Apr 2008
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    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.

  5. #5
    Senior Member
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    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.

  6. #6
    VC
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    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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