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Discussions > Espresso > Q and A > Puck sticking to...  
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BarryR
Senior Member


Joined: 21 Nov 2010
Posts: 277
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Sat Sep 28, 2013, 5:16pm
Subject: Puck sticking to brewhead on my CC1
 

Lately this has been happening a lot. It's rather a nuisance as I then have to clean it off.
I've back flushed and that doesn't help.

I used to notice it happening when I use too fine a ground but I don't think that's the issue as I'm getting about 2 oz of espresso in 28 seconds.

Any suggestion.
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ddubick
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Joined: 1 May 2012
Posts: 142
Location: Calgary, Alberta, Canada
Expertise: I live coffee

Espresso: Nuova Simonelli Appia 1Gr
Grinder: OE Pharos, Macap M5, Nuova...
Roaster: Behmor 1600
Posted Sat Sep 28, 2013, 5:18pm
Subject: Re: Puck sticking to brewhead on my CC1
 

I would guess you're using too much coffee for the size basket you have.  I'm going to assume you're using a double basket, how many grams of coffee are you dosing into it?
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BarryR
Senior Member


Joined: 21 Nov 2010
Posts: 277
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Sat Sep 28, 2013, 5:35pm
Subject: Re: Puck sticking to brewhead on my CC1
 

ddubick Said:

I would guess you're using too much coffee for the size basket you have.  I'm going to assume you're using a double basket, how many grams of coffee are you dosing into it?

Posted September 28, 2013 link

Double basket 16.0 gms. Same amount I've always been using and it used to happen much less often. Good thought though, I could decrease by 1/2 gm and see where that gets me.
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CMIN
Senior Member


Joined: 14 Jun 2012
Posts: 1,354
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Sat Sep 28, 2013, 5:48pm
Subject: Re: Puck sticking to brewhead on my CC1
 

ddubick Said:

I would guess you're using too much coffee for the size basket you have.  I'm going to assume you're using a double basket, how many grams of coffee are you dosing into it?

Posted September 28, 2013 link

Double basket on the CC1 is large, can hold 18g easily.

Barry how long are you waiting till you take the PF out? I've only had that happen with darker roasts and if I wait a while before removing the PF. Only once in awhile it happens, happens on other more expensive machines as well including friends Duetto III if does the same thing (darker roast and waiting a bit before removing the PF). Light-med roast no problem.

I shouldn't say just darker roast though, seems to happen with certain beans/blends. I also notice it more when it's hotter/humid out for whatever reason.
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BarryR
Senior Member


Joined: 21 Nov 2010
Posts: 277
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Sat Sep 28, 2013, 7:52pm
Subject: Re: Puck sticking to brewhead on my CC1
 

CMIN Said:

Double basket on the CC1 is large, can hold 18g easily.

Barry how long are you waiting till you take the PF out? I've only had that happen with darker roasts and if I wait a while before removing the PF. Only once in awhile it happens, happens on other more expensive machines as well including friends Duetto III if does the same thing (darker roast and waiting a bit before removing the PF). Light-med roast no problem.

I shouldn't say just darker roast though, seems to happen with certain beans/blends. I also notice it more when it's hotter/humid out for whatever reason.

Posted September 28, 2013 link

I've been taking it out within minutes and the roasts are usually FC+ or lighter.
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CMIN
Senior Member


Joined: 14 Jun 2012
Posts: 1,354
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Sat Sep 28, 2013, 9:47pm
Subject: Re: Puck sticking to brewhead on my CC1
 

BarryR Said:

I've been taking it out within minutes and the roasts are usually FC+ or lighter.

Posted September 28, 2013 link

when you leave in the PF that long it can happen, I usually remove mine almost right after extraction or pry within 30 seconds if I had to guess a time. Even a friends Duetto III will have the puck stick (and most any machine probably) if left too long, there's still a little pressure and the puck can expand so after the 3 way purges the puck can be pulled into the screen and stick. FC and higher will be more prone to it imo, with a light to med roast I've never had the puck stick even if I forgot to take the PF out lol.
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,021
Location: Germany
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Posted Sun Sep 29, 2013, 1:43am
Subject: Re: Puck sticking to brewhead on my CC1
 

In my experience, the easiest way to remove a dry puck that is sticking to the shower screen is to fix the portafilter again and run some water through it. That usually loosens the puck, or else it's easier to remove a wet puck than one that's been baked solid by the hot brewhead. However, I usually detach the PF immediately after the shot to prevent that situation.

 
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BarryR
Senior Member


Joined: 21 Nov 2010
Posts: 277
Location: Wilbraham
Expertise: I love coffee

Espresso: CC1
Grinder: Baratza Preciso
Drip: Behmor Brazen, Clever...
Roaster: Hottop KN-8828B2-K
Posted Sun Sep 29, 2013, 5:11am
Subject: Re: Puck sticking to brewhead on my CC1
 

NobbyR Said:

In my experience, the easiest way to remove a dry puck that is sticking to the shower screen is to fix the portafilter again and run some water through it. That usually loosens the puck, or else it's easier to remove a wet puck than one that's been baked solid by the hot brewhead. However, I usually detach the PF immediately after the shot to prevent that situation.

Posted September 29, 2013 link

I may have given the wrong impression. This does sometime happen even if I remove the puck within seconds.

I'll do some descaling maintenance today too as it's been a while.
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CMIN
Senior Member


Joined: 14 Jun 2012
Posts: 1,354
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Sun Sep 29, 2013, 7:18am
Subject: Re: Puck sticking to brewhead on my CC1
 

BarryR Said:

I may have given the wrong impression. This does sometime happen even if I remove the puck within seconds.

I'll do some descaling maintenance today too as it's been a while.

Posted September 29, 2013 link

Most likely the bean/blend your using, I only notice it once in awhile with certain beans/blends/roast. I've actually gotta do my monthly cleaning with cafiza today lol.

edit - forgot, this can also happen more with a bad batch of beans. I just had 2lbs of a blend I normally order and think got a bad batch of beans this go around. Didn't taste the same, didn't extract the same and couldn't really dial it in which was odd as I know the settings to use for that blend. The roast looked the same, but I think they had a bad batch of greens, I break down and freeze in batches in ball canning jars, and usually when I take one out to defrost and then open it "pops" releasing co2 and none of the jars did that this time. The puck stuck a bunch of times to the group in that case. If it did I put a cup under it and flushed it to get it off vs letting it plop on the drip tray lol.
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Burner0000
Senior Member


Joined: 28 Jul 2011
Posts: 1,048
Location: Cambridge, Ontario Canada
Expertise: Professional

Espresso: Rancilio Silvia, VFA Expres...
Grinder: Macap MX/VFA N1464/Kyocera...
Drip: Manual Drip, French Press
Roaster: Behmor 1600 / Sonofresco
Posted Sun Sep 29, 2013, 8:39am
Subject: Re: Puck sticking to brewhead on my CC1
 

I only get this problem with my Silvia right after cleaning the brewhead + over dosing which I do too often.. If it happens once I just hit the brew switch for a half second before I remove the portafilter.
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