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Problem with Gaggia Classic
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fenderapache
Senior Member


Joined: 20 Sep 2004
Posts: 43
Location: nyc
Expertise: I live coffee

Posted Fri Dec 7, 2012, 1:38pm
Subject: Problem with Gaggia Classic
 

Gaggia Classic stainless bought new in 2010 is exhibiting some issues.  First, the 3 way solenoid isn't working after I pull a shot and the puck is completely watery and often sprays grinds all over the kitchen when I go to empty it.  Additionally, the machine came with the pressurized portafilter basket which has been fine until recently.  Now, the machine tends to spray coffee all over during a shot.  Lastly, it oftens clogs and won't pour a shot at all.

Now, I a descale every month.  I clean it after shot and generally keep it in great shape.  So, I'm not sure what to do.  I am trying to decide if I should buy a non-pressurized portafilter and a backflush disk or if I should sell it get a different machine.  I am set with a grinder and use fresh beans that I buy every week.  

Any advice would be greatly apprecaited.
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dyqik
Senior Member


Joined: 7 Oct 2011
Posts: 383
Location: Cambridge, MA
Expertise: I love coffee

Espresso: Bezzera BZ07 PM
Grinder: Baratza Virtuoso Preciso...
Vac Pot: Cona D
Drip: Bona-Vita, CCD, Aeropress.
Roaster: Gene Cafe, Modded Poppers
Posted Fri Dec 7, 2012, 2:10pm
Subject: Re: Problem with Gaggia Classic
 

If you haven't been backflushing, then the valve is almost certainly blocked with coffee and oils.  Get a backflush disk and some coffee machine cleaner appropriate for the machine (i.e. compatible with the aluminum boiler), and try and clean it out first.  Also, remove and clean behind the dispersion screen if you haven't been doing that.  You may have to dismantle the machine partly to get the 3-way cleaned out however - this isn't too hard to do.

A non-pressurized portafilter is the next upgrade once the machine is working.  If you are mainly doing espresso shots then there's no pressing need to upgrade the machine itself, but fixing the machine will get you a much better price for it if you do upgrade.
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