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Is 4.75 to 5.25 bars enough brew pressure on a CC1?
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Discussions > Espresso > Machines > Is 4.75 to 5.25...  
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 622
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sat May 11, 2013, 8:55am
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

Just to follow up on what I started... I managed to get to the store to buy the fittings I needed to check the gauge I was able to connect to the portafilter. I checked the gauge that I was using against three other gauges I had. Non of them are lab quality but all of them were within 9 lbs at about 125 lbs. So.... my CC1 is definitely providing low pressure to the portafilter. At this point, looking at the piping diagram, looks like there is two components that could cause this issue when you combine all of the symptoms. Since it is still under warranty, I wont bother to go any further.
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billc
Senior Member


Joined: 15 Jan 2009
Posts: 117
Location: Seattle, Washington
Expertise: Professional

Espresso: CC1 - GS - GS3 - GB5
Grinder: Baratza - Mazzer-Marzocco
Drip: My own Creation
Posted Sat May 11, 2013, 8:57am
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

my email remains the same bill at crosslandcoffee dot com.

BillC
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 622
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sat May 11, 2013, 9:16am
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

I sent you an email.
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 622
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sat May 11, 2013, 2:10pm
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

I was fixing to box the machine up and get it ready to send back for service and I decided to descale it even though I haven't ran 30 cups through it since the last time I descaled. I mixed up 64 oz of descaler and checked the pressure every few minutes. The pressure was slowly rising. After it was all said and done I ended up at about 7.75 to 8 bars.

Now I don't know weather to send it back or not. I guess technically it is lower than optimum but not sure this machine is capable of optimum pressures.
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 659
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: K-30 Vario,Pharos, Vario-W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Sat May 11, 2013, 3:03pm
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

I would email BillC about it. May be something as simple as adjusting the OPV- maybe the scale/descale affected the setting, or maybe a bit more descaling. I will be curious to know how it turns out for you, I've been interested in how the CC1s stand up- they are new and sometimes bugs need to be worked out that only come out with use in the real world. Sounds like Bill is more than willing to stand behind his machines. Keep us posted.
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fredk01
Senior Member


Joined: 20 Feb 2012
Posts: 136
Location: Canada
Expertise: Just starting

Espresso: Saeco Aroma
Grinder: OE Pharos
Posted Sat May 11, 2013, 3:56pm
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

Bill wants it back. Send it back. If you don't every time something seems off, you will start second guessing yourself and the machine.
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 622
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sat May 11, 2013, 5:07pm
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

Bill told me I would have to deal with the company I bought it from... and they were not too eager to help me the first time I had issues with it. I am not sure how I will proceed. If they are not eager to help, I probably will just junk it and move on.  I am going to give it a try tonight and see if I can see an improvement in the espresso. At least I know the pressure is higher than it was recently.... but I am sure I will have to go finer with my grind as the pressure is now quite a bit higher.

I spent some time, early one morning last week, at a coffee shop with a Batista that at least has the reputation of making a living with his skills. I talked to him a while and watched him and he was nice enough to explain everything he was doing. He made me a mocha and while the sweetness was not just right for me, I definitely recognized the aftertaste that I got me started with espresso in the first place back in the 90s. This is a taste I have not been able to achieve at home.

Since the CC1 does not have a pressure gauge, I don't know how long the pressure has been that low. I didn't think a pressure gauge was necessary when I bought the CC1, but now that I have had this experience, I will not buy another machine that does not have a pressure gauge on it. My reasoning for not thinking I needed a pressure gauge was that it seems everyone sets the pressure and leaves it alone... but I didn't think about that pressure not always staying the way it was set.
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 659
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: K-30 Vario,Pharos, Vario-W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Sat May 11, 2013, 9:01pm
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

Sorry to hear about your experience with Bill and the vendor. Maybe I got the wrong impression of him from some of the posts on here, or maybe he expects more from the venders than they are providing. Either way I wouldn't give up on the machine just yet, you do have some time and money tied up in it.
 Many machines come without a brew pressure gauge, and many of us use a portafilter gauge to occasionally check our brew pressure. If you have an adjustable opv you should be able to dial in the pressure without too much fuss. If not- well there are many threads about people with Gaggias switching out non adjustable opvs with adjustable ones, so that's something you could look into. From what I have heard though the non adjustable ones are typically set higher than what you would want so I'm guessing that yours is likely adjustable. Like I said I'm just guessing but I'll keep my fingers crossed for you.    Ron
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 622
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sun May 12, 2013, 1:34am
Subject: Re: Is 4.75 to 5.25 bars enough brew pressure on a CC1?
 

CoffeeRon Said:

Sorry to hear about your experience ....  Ron

Posted May 11, 2013 link

I am not ready to throw anyone under the bus. The company that I purchased from is well known and most people think a lot of them. I had a bad experience with them before I even purchased (documented here in the forum many months ago). and again when I called them with issues. Obviously I purchased from them anyway even though my pre-purchase experience wasn't great. I purchased anyway because of the great reviews I saw here in the forum.  Like any company, sometimes the bad experience is with an individual and not the company's policies. I will call them again and see how it goes.... but they are starting with two strikes as far as I am concerned.
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