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Starbucks Barista dripping at steamwand...
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jtferraro
Senior Member


Joined: 24 Jun 2013
Posts: 49
Location: CT
Expertise: I love coffee

Espresso: Starbucks (Saeco) Barista,...
Grinder: Baratza Vario
Vac Pot: Aerobie Aero Press
Drip: Bonavita Thermal
Roaster: none
Posted Sat Apr 26, 2014, 12:37pm
Subject: Starbucks Barista dripping at steamwand...
 

Hello fellow CG'ers,

I purchased the SCG tune-up kit a while back and finally replaced the parts several weeks ago.  I also descaled the machine.  Since then, however, and maybe it's due to the new grouphead gasket, it's now leaking at the steamwand's tip.  I keep a little glass under it but it feels up relatively quickly, especially when I'm pulling a shot...and especially if the grind is slightly too fine and there is a lot of pressure at the grouphead.  I've always been really careful NOT to overtighten/close the steam wand's control know, as I've read it can be easily overtightened.  Thus, I'm not sure what exactly is causing the leak, nor how to stop it.  I searched the archives and read about O-rings but since they don't seem to reside in the wand's tip, they must be at the top of the wand, where it meets the machine?  I guess I'll need to dig a little deeper but I'm surprised the SCG kit doesn't include these O-rings, if the problem is in fact the O-rings.  Thoughts, suggestions, and experiences welcome.

Thanks gang,

    -Jeff
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gimpy
Senior Member


Joined: 8 May 2007
Posts: 260
Location: Flagstaff, Az
Expertise: I love coffee

Espresso: Old repaired Starbucks...
Grinder: Zassenhaus
Drip: the AeroPress, Clever Coffee...
Roaster: Behmor 1600 replaces (still...
Posted Sat Apr 26, 2014, 3:40pm
Subject: Re: Starbucks Barista dripping at steamwand...
 

I would take the steam  valve apart and clean the needle valve and see if that would stop the leak. It is relatively easy to do.

You have to first remove the steam knob to get to it. My steam needle valve had just a little bit of scale on it. I gently cleaned it off, then put it back together and it does not leak anymore.

Edit. If you have the download of the Barista parts list , it is part number 8.

 
Frank, "Still the one"
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,021
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Apr 26, 2014, 4:00pm
Subject: Re: Starbucks Barista dripping at steamwand...
 

Don't know if you have this diagram.  The steam mechanism is essentially a tube below the valve, and drips what ever the valve leaks.  Common problems are scale at the tip, and/or O rings, as noted.  

http://www.partsguru.com/user/Barista%2005.01.pdf

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


Joined: 24 Jun 2013
Posts: 49
Location: CT
Expertise: I love coffee

Espresso: Starbucks (Saeco) Barista,...
Grinder: Baratza Vario
Vac Pot: Aerobie Aero Press
Drip: Bonavita Thermal
Roaster: none
Posted Sun Apr 27, 2014, 7:15am
Subject: Re: Starbucks Barista dripping at steamwand...
 

OK, I have successfully removed the steam knob but I'm not sure I can successfully get my hands in there to do any of the next steps.  Should I be able to access the steam valve via the hole in the side, from the absence of the steam knob?  I also just removed the steam wand itself and can see the water dripping from where it connects/interfaces with the machine.  What's next?

Thanks,

    -Jeff
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gimpy
Senior Member


Joined: 8 May 2007
Posts: 260
Location: Flagstaff, Az
Expertise: I love coffee

Espresso: Old repaired Starbucks...
Grinder: Zassenhaus
Drip: the AeroPress, Clever Coffee...
Roaster: Behmor 1600 replaces (still...
Posted Sun Apr 27, 2014, 11:08am
Subject: Re: Starbucks Barista dripping at steamwand...
 

OK,  Jeff. Hopefully, I haven't misspoken too badly here and mislead you. It's been a month or two since I had mine apart. I had to initially replace the heating element inside the boiler and had the machine apart several different times trying to get it right.

So, let me start over. I had the casing completely off. Not too hard,  only the six screws to remove  I believe. I can not remember if I had the boiler and everything already loose to get to it (the needle valve) or not. I probably was into my machine at least a half dozen times, but, if I can do it, anyone can, honestly. I am an old klutz and not very handy with these things.

Also, if you Google Starbucks Barista SIN006, you will get a link to  ifixit.com or something like that. There are several good tutorials about the Barista and taking it apart (for future reference).

Hopefully, someone more knowledgeable than me will come along and give you good instruction.

And don't be discouraged by my long winded post. It really is a relatively easy process.

Good luck.

 
Frank, "Still the one"
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,021
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sun Apr 27, 2014, 1:01pm
Subject: Re: Starbucks Barista dripping at steamwand...
 

Here is the Barista teardown

Click Here (www.ifixit.com)

Looks like you can get to the whole valve assembly as above and then dissemble the valve as in the diagram.

http://www.partsguru.com/user/Barista%2005.01.pdf

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


Joined: 24 Jun 2013
Posts: 49
Location: CT
Expertise: I love coffee

Espresso: Starbucks (Saeco) Barista,...
Grinder: Baratza Vario
Vac Pot: Aerobie Aero Press
Drip: Bonavita Thermal
Roaster: none
Posted Sun Apr 27, 2014, 7:42pm
Subject: Re: Starbucks Barista dripping at steamwand...
 

Thanks gang.  I will dig deeper tomorrow and report back!
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jtferraro
Senior Member


Joined: 24 Jun 2013
Posts: 49
Location: CT
Expertise: I love coffee

Espresso: Starbucks (Saeco) Barista,...
Grinder: Baratza Vario
Vac Pot: Aerobie Aero Press
Drip: Bonavita Thermal
Roaster: none
Posted Mon May 5, 2014, 11:39am
Subject: Problem resolved!
 

You guys were right - my leaking steam wand issue was due to scale build-up at the needle valve and its seating.  I cleaned it off with vinegar and problem resolved!  Not even a drip!

Thanks gang,

    -Jeff
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gimpy
Senior Member


Joined: 8 May 2007
Posts: 260
Location: Flagstaff, Az
Expertise: I love coffee

Espresso: Old repaired Starbucks...
Grinder: Zassenhaus
Drip: the AeroPress, Clever Coffee...
Roaster: Behmor 1600 replaces (still...
Posted Mon May 5, 2014, 8:02pm
Subject: Re: Starbucks Barista dripping at steamwand...
 

Glad you got it fixed, Jeff, hopefully, relatively easily. I'm currently trying to decide if I need to work on my pump as I seem to choke it up pretty easily. Hopefully it's only my grinder or tamping procedure. Still trying to work it out.

 
Frank, "Still the one"
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,021
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Mon May 5, 2014, 10:07pm
Subject: Re: Starbucks Barista dripping at steamwand...
 

Thanks for posting the follow up, great you got it to work.

 
D4F also at
http://www.gaggiausersgroup.com/
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