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How to Clean a Dirty Grouphead

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Dansunbol
Senior Member

Joined: 10 Jan 2004
Posts: 1
Location: Virginia
Expertise: I love coffee

Espresso: Gaggia Coffee
Grinder: Braun
Drip: Krups

Posted Sat Jan 10, 2004, 11:30am Subject: Re: How to Clean a Dirty Grouphead

I have an older Gaggia Coffee (steam knob on the front) that has been sitting around for most of its life and I know that before I read this article it had never been cleaned. Recently, I have been using it again and I was starting to think the pump or solenoid might be bad because it just wasn't doing very well. But now that Mark has removed my fear of taking the grouphead apart, it works much better! It's a wonder anything could get through all that gunk! Thank you!

skleeger
Senior Member

Joined: 28 Feb 2004
Posts: 1
Location: Norfolk, VA
Expertise: I love coffee

Espresso: Capresso 114
Grinder: Capresso
Drip: Mr. Coffee + Chemex!
Roaster: George Forman (lol)

Posted Sat Feb 28, 2004, 2:22pm Subject: Re: How to Clean a Dirty Grouphead

...and I thought I knew how to clean the head! Thanks for the fine points that I had overlooked.

KPons
Senior Member

Joined: 2 Mar 2004
Posts: 22
Location: Clinton Township, MI
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Rancilio Rocky
Vac Pot: French Press
Drip: Gevalia
Roaster: I wish

Posted Thu Mar 4, 2004, 10:00am Subject: Re: How to Clean a Dirty Grouphead

I tried to clean Silvia for the 1st time yesterday and could not remove the brass dispersion plate. Is it supposed to come out like the screen. If it is supposed to come out for cleaning, how do you accomplish this. The screen came out with no problem. HELP!!

dblamericano
Senior Member

Joined: 4 Jun 2004
Posts: 3
Location: Seattle
Expertise: I love coffee

Espresso: Silvia
Grinder: Rocky

Posted Fri Jun 4, 2004, 12:51pm Subject: Re: How to Clean a Dirty Grouphead

I'm trying to follow the detailed instructions on how to clean the grouphead on my Silvia. I can take off the screen and there's a small, quarter-sized part under the screen that also comes off, but is there another part (dispersion plate?) that I am supposed to take off? All I can see is the brass "showerhead" (I think). Any help is appreciated. Our espresso is tasting really bad these days and I am desperate to clean every last part of this machine to see if that's what's causing it.

Posted Mon Jun 7, 2004, 6:16am Subject: Re: How to Clean a Dirty Grouphead

I'm in the same situation as you are. I don't know where/what the dispersion plate is. I purchased my Silvia in December 2003. Maybe the newer product is different. We'll have to hope somebody replys with pictures.

HB
Senior Member

Joined: 3 Apr 2003
Posts: 2,913
Location: Cary, NC

Posted Mon Jun 7, 2004, 6:44am Subject: Re: How to Clean a Dirty Grouphead

I don't have pictures, but here's a few pointers: General hints on cleaning Silvia's grouphead Removing Silvia's stubborn grouphead screw "Espresso! My Espresso!" How-To Pages I've attached a schematic. It may not be exactly the same as Silvia but close enough for your purposes; the parts labelled R.39, R.49, and R.402 are the ones you'll remove. -- Dan (Click for larger image)

www.home-barista.com

Posted Mon Jun 7, 2004, 7:59am Subject: Re: How to Clean a Dirty Grouphead

Thanks Dan......guess I was doing it correctly all along.

Jacques_d_Amour
Senior Member

Joined: 21 Apr 2004
Posts: 1
Location: copenhagen, denmark
Expertise: I love coffee

Espresso: ECM Manufactura Technika III
Grinder: Rancilio Rocky S
Roaster: Imex CR100

Posted Wed Sep 1, 2004, 7:59am Subject: How about the rest?

Great article Mark... But how about writing something about cleaning the boiler etc. What to use and when to do it... That would be usefull aswell.

korngold
Senior Member

Joined: 21 Jul 2003
Posts: 636
Location: Des Moines, IA
Expertise: I love coffee

Espresso: Rancilio Audrey
Grinder: Rancilio Rocky
Drip: Melitta Clarity
Roaster: WE Popcorn Pumper

Posted Wed Sep 1, 2004, 8:46am Subject: Re: How to Clean a Dirty Grouphead

Great article, Mark! Silvia folks--there is no brass dispersion "plate", per se. The removeable parts of your group are (in order of removal)--group screw, shower screen, dispersion nut. Once you hit brass, that's as far as you can go. Check out Dan's links above for more detail. If the nut is being stubborn and sticking in the center of the group, scrub the group with a nylon brush dipped in some Purocaff solution (or Urnex Cleancaf, or whatever cleaner you're using) and SCRUB. Then, lightly use a small flathead screwdriver to pry it loose. After it comes out, scrub up into the group where the nut came out to remove all the oils, and soak the dispersion nut.

Jeff_Java
Senior Member

Joined: 7 Sep 2004
Posts: 2
Location: Worcester, Mass
Expertise: I live coffee

Posted Tue Sep 7, 2004, 10:19am Subject: Re: How to Clean a Dirty Grouphead

I'm just wondering if its was possible to get replacement screens for commercial machines. i have a rancilio with some really clogged dispersion screens. the cafe i manage has been through an ownership change and really lax maintainance schedules, and the result is a very dilapidated dispenser system. thx. jj

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