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Espresso: Espresso Mods and Restorations
Gaggia Classic - Invensys pump broken?

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Discussions > Espresso > Espresso Mods > Gaggia Classic -...

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dbasch
Senior Member

Joined: 12 Jan 2012
Posts: 3
Location: USA
Expertise: Just starting

Espresso: Gaggia Classic
Grinder: Gaggia MDF

Posted Thu Jan 12, 2012, 3:17pm Subject: Gaggia Classic - Invensys pump broken?

I have a Gaggia Coffee Deluxe that I bought on Craigslist a while back. The flow was very low, so I descaled it. At some point during the descaling process, the flow stopped almost completely. Steam works fine. When I try to pull a shot, it makes a very faint sound and there is little to no suction. I took the group head and boiler apart and cleaned them, that didn't help. I suspect the culprit may be the pump. It's an Invensys CP3A (see picture). At this point I could use some help: - How do I make sure the pump is the problem? - Is it possible to take apart this pump and/or clean it? - If it's broken, what can I replace it with? Thanks! (Click for larger image)

rotwang
Senior Member

Joined: 22 Sep 2010
Posts: 150
Location: New Mexico USA
Expertise: I love coffee

Espresso: Gaggia Pure
Grinder: Pharos, KyM, Sözen, PeDe
Vac Pot: nope
Drip: No..Cezve
Roaster: nope

Posted Thu Jan 12, 2012, 8:41pm Subject: Re: Gaggia Classic - Invensys pump broken?

Hello. A member of the Yahoo Gaggia group saw this thread and thinks the hole under your group head is plugged. Head over to http://groups.yahoo.com/group/Gaggia/ , join, post your question and they'll help you out. The pump should be ok.

dbasch
Senior Member

Joined: 12 Jan 2012
Posts: 3
Location: USA
Expertise: Just starting

Espresso: Gaggia Classic
Grinder: Gaggia MDF

Posted Fri Jan 13, 2012, 12:17pm Subject: Re: Gaggia Classic - Invensys pump broken?

Thanks, I actually figured it out after posting. The copper pipe inside the boiler was clogged. I cleaned that and the machine is good as new!

dbasch
Senior Member

Joined: 12 Jan 2012
Posts: 3
Location: USA
Expertise: Just starting

Espresso: Gaggia Classic
Grinder: Gaggia MDF

Posted Fri Jan 13, 2012, 6:19pm Subject: Re: Gaggia Classic - Invensys pump broken?

I wrote a blog post about the experience. I'm a newbie :) Click Here (diegobasch.com)

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