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Gaggia Classic - Invensys pump broken?
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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!

dbasch: invensys.jpg
(Click for larger image)
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rotwang
Senior Member
rotwang
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.
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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 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!
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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 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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