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Machine or grinder failure?
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Discussions > Espresso > Machines > Machine or...  
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Gig103
Senior Member


Joined: 12 Feb 2012
Posts: 224
Location: Arizona
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Vario
Drip: French press!
Posted Sat May 5, 2012, 12:18pm
Subject: Machine or grinder failure?
 

Hi all,
I've been having issues lately where I don't get good crema and the shots are too fast, and I've tried a bunch of things but now I'm at a loss.

1) I thought it was old beans, so I tried Redbird, roasted on 4/30
2) My grinder was spitting out really coarse grounds so Baratza replaced it because I had a bad adjustment ring

So now I have my new (replacement) Preciso on 1A (as fine as it goes) on fresh coffee, but my Crossland CC1 is still putting out shots in under 15 seconds. If it matters: 1sec preinfusion, 1 sec wait, 202*F on the PID. I fill the 58mm basket and tamp as hard as I can. It's roughly 18g of coffee, possibly closer to 19g. I think it's an overdose but I'm trying to get a proper extraction and I'm failing.

Is it possible my machine pressure is too weak? I thought maybe the OPV is set too sensitive? Can a Preciso on 1A really be still too coarse (I thought espresso is roughly in the 9 macro range). The new Redbird pours with a decent crema (looks like a Guinness, if that makes sense) but the crema disappears almost immediately. The shot is sour, of course, too.

I've spent so much time and effort trying to get good espresso and if I'm going to have crappy shots I can get a $400 superautomatic instead of my $900 setup. Please help!!
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 1,878
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Preciso
Posted Sat May 5, 2012, 12:47pm
Subject: Re: Machine or grinder failure?
 

The adjustment screw could need adjustment on the Preciso, though it should have been adjusted correctly to start with.  Does not seem so likely with a new from factory grinder.  The thread below may help.  The placement of the screw can affect the coarseness by number.

http://coffeegeek.com/forums/espresso/grinders/544926?Page=2

I also had a lot of crema fairly quickly fade with Redbird.  I spoke with Jeff and he referred me to this article.

Click Here (espressovivace.com)

He mentioned that he tries to retain sweetness, and the crema will dissapate.  I also noticed that after the fresh roast gassed off a few days, that I seemed to get a little less total crema.

 
D4F also at
http://www.gaggiausersgroup.com/
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Ascasouser
Senior Member


Joined: 9 Jul 2011
Posts: 12
Location: US
Expertise: I like coffee

Espresso: Ascaso Bssic
Grinder: Ascaso i-mini
Posted Mon May 7, 2012, 1:55pm
Subject: Re: Machine or grinder failure?
 

How fine exactly is your grind? As mentioned earlier, it could need further adjustment. Espresso grind is almost like talcum powder and very consistent, without any chunks.
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tracerbullet
Senior Member
tracerbullet
Joined: 13 Feb 2012
Posts: 168
Location: Saint Paul
Expertise: I love coffee

Posted Mon May 7, 2012, 7:49pm
Subject: Re: Machine or grinder failure?
 

I don't have that grinder (or that maker, for that matter) but I have to think it's still a grinder problem. At the finest setting you have, with a hard tamp, i'd think you'd be plugging the entire works and getting no coffee coming out. That it's too fast makes me think your finest setting just isn't really very fine.
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IMAWriter
Senior Member
IMAWriter
Joined: 4 Jul 2002
Posts: 5,689
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, Preciso/Esatto, KyM...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600, CO/UFO combo
Posted Mon May 7, 2012, 8:21pm
Subject: Re: Machine or grinder failure?
 

Ascasouser Said:

How fine exactly is your grind? As mentioned earlier, it could need further adjustment. Espresso grind is almost like talcum powder and very consistent, without any chunks.

Posted May 7, 2012 link

yes, FEEL THE COFFEE. Actually, I'd say maybe not quite talcum powered, more like sugar, perhaps a wee bit finer.
If it's not, then try moving the adjustment screw.
Mine just happened to be set perfectly.

As a guide, MANY of us seem to have success around the 9 mark, some 8, a few at 10...all depends where that screw is set...in my case, at 9, with the Micro between d-k. (for espresso, of course)

 
Rob J (LMWDP #187)
My Music Production web site:
www.robertjason.com
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Gig103
Senior Member


Joined: 12 Feb 2012
Posts: 224
Location: Arizona
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Vario
Drip: French press!
Posted Tue May 8, 2012, 11:14am
Subject: Re: Machine or grinder failure?
 

SCG and Baratza both agree it's the grinder. The coffee is not as fine as you are describing, so I'll probably have to do the adjustment. How do I know how much to move the screw? I don't want to lose the ability to do french press...
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 1,878
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Preciso
Posted Tue May 8, 2012, 11:41am
Subject: Re: Machine or grinder failure?
 

Here is the instruction directly from the Baratza site.  Usually one window but some have done 2.

Click Here (www.baratza.com)

 
D4F also at
http://www.gaggiausersgroup.com/
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Gig103
Senior Member


Joined: 12 Feb 2012
Posts: 224
Location: Arizona
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Vario
Drip: French press!
Posted Sat May 12, 2012, 1:52pm
Subject: Re: Machine or grinder failure?
 

So before I made any adjustments, I cleaned it out and started slowly tightening the collar until I hear the pitch change and an almost grinding sound -- the zero point as I understand it. That's all the way about 7 right now, when I make this adjustment do I expect that point to be higher on the macro scale (10) or lower (4)?  I am just trying to make sure I do it right.
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Gig103
Senior Member


Joined: 12 Feb 2012
Posts: 224
Location: Arizona
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Vario
Drip: French press!
Posted Sun May 13, 2012, 10:20pm
Subject: Re: Machine or grinder failure?
 

Another update. Now I have my machine on its finest setting, where zero point is around 10. I am down to 2 on the Macro scale and still am getting 15 second shots. This is absurd.
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tracerbullet
Senior Member
tracerbullet
Joined: 13 Feb 2012
Posts: 168
Location: Saint Paul
Expertise: I love coffee

Posted Tue May 15, 2012, 10:58am
Subject: Re: Machine or grinder failure?
 

At this point I'd have lost all patience and returned it for a refund and bought something else.
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