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Europicolla "Popping"
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Discussions > Espresso > Lever Espresso > Europicolla...  
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inpursuit
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inpursuit
Joined: 9 Feb 2009
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Location: Texas
Expertise: I love coffee

Grinder: Ditting
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Roaster: Diedrich IR-7, Gene Cafe
Posted Mon Feb 9, 2009, 11:42am
Subject: Europicolla "Popping"
 

Hello Everyone,

When I remove the portafilter from the group on my Europicolla, there is a violent release of pressure that sprays coffee grounds everywhere. The pressure is slight on the first pull, more pronounced by the second, and dramatic by the third. I don't think that the grind is too fine, because it pulls very smoothly. I always make sure the lever is all the way down and I let it drip for about a minute before removing the portafilter. Does anyone know what could be causing this?
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benvh
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benvh
Joined: 31 Mar 2007
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Espresso: La Pavoni Professional
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Posted Mon Feb 9, 2009, 11:47am
Subject: Re: Europicolla "Popping"
 

It's called portafilter sneeze. The LaPavonis are one of the worst. You can either let it sit and let the pressure dissipate after each shot, or start to remove the portafilter slowly and once you hear pressure being released, let it sit till all the pressure is gone.
Ben
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pilgrim5
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pilgrim5
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Location: Saint Paul Park Minnesota
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Espresso: Salivatore
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Posted Mon Feb 9, 2009, 11:52am
Subject: Re: Europicolla "Popping"
 

I do not have this machine so shooting from the hip on this one..... Is it blowing down when your done pulling the shot?  You should have a Phhhhsssshhhhh gurgle gurgle sound?  If not your pressure is not releasing is it a E61 group head?

May be in dire need to be back flushed 12 or more times like back flush 5 times (using a blank portafilter) pull a 2 oz shot of straight water (regular portafilter in place) repeat till you have a good blow down group head is plugged or your not putting the leaver in the right position to establish the blow down.  You will have to keep cleaning the machine this way till you get a good blow-down or into the shop it goes.

Just went and looked the machine up!  Could not find anything on here about it so on to google.  Its about as manual a machine as you can get so forget everything i said above for this machine!!!

Good luck anyways............
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gime2much
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Posted Mon Feb 9, 2009, 11:59am
Subject: Re: Europicolla "Popping"
 

benvh Said:

It's called portafilter sneeze. The LaPavonis are one of the worst. You can either let it sit and let the pressure dissipate after each shot, or start to remove the portafilter slowly and once you hear pressure being released, let it sit till all the pressure is gone.
Ben

Posted February 9, 2009 link

Yep...+1

 
Dan Brewer
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inpursuit
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inpursuit
Joined: 9 Feb 2009
Posts: 30
Location: Texas
Expertise: I love coffee

Grinder: Ditting
Vac Pot: Yama
Roaster: Diedrich IR-7, Gene Cafe
Posted Mon Feb 9, 2009, 6:31pm
Subject: Re: Europicolla "Popping"
 

Thanks. I guess It's just one of the quirks of the machine I'll have to live with. Thanks for the quick replies!
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mrgnomer
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mrgnomer
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Posted Tue Feb 10, 2009, 8:54am
Subject: Re: Europicolla "Popping"
 

Any machine that doesn't have a 3 way valve will be prone to portafilter sneeze.  I think Olympia redesigned it's group to allow pressure to bleed off faster.

It's pressure still in the cylinder.  Waiting for a while before unlocking the portafilter will allow built up pressure to dissipate and elimnate the sneeze.
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