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Discussions > Coffee > Q and A > Espresso Machine...  
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coffeeshone
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Joined: 29 Nov 2011
Posts: 53
Location: NY, NY
Expertise: I love coffee

Posted Sun Jul 14, 2013, 12:18pm
Subject: Espresso Machine Maintenance question
 

Hi Folks,
I've had my Expobar Office Lever for going on 2 years now. Curious what the timeline is for getting the seals and gaskets replaced?

I live in NYC and don't own a car, but will be car sitting for a month and am thinking of taking it up to Cerini in the Bronx this summer.

I'd rather not wait until I have problems with the machine to have it serviced. Is preventative maintenance on a machine of this type advisable, or a waste of money?

Thanks!
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steven_meyer
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Joined: 19 Jul 2003
Posts: 512
Location: San Bruno, ca
Expertise: I love coffee

Espresso: Alex Duetto 3.0, ECM  Giotto...
Grinder: HG-One, Mahlkonig K-30 vario
Posted Sun Jul 14, 2013, 12:43pm
Subject: Re: Espresso Machine Maintenance question
 

You should replace your grouphead gasket every 6-12 months. That, besides once a month backflushing with detergent is about it.
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coffeeshone
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Joined: 29 Nov 2011
Posts: 53
Location: NY, NY
Expertise: I love coffee

Posted Sun Jul 14, 2013, 6:39pm
Subject: Re: Espresso Machine Maintenance question
 

Is the grouphead gasket replacement something I can do myself?

I flush with detergent every week.
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steven_meyer
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Joined: 19 Jul 2003
Posts: 512
Location: San Bruno, ca
Expertise: I love coffee

Espresso: Alex Duetto 3.0, ECM  Giotto...
Grinder: HG-One, Mahlkonig K-30 vario
Posted Sun Jul 14, 2013, 10:37pm
Subject: Re: Espresso Machine Maintenance question
 

It's easy to replace the gasket'

http://www.espressomyespresso.com/  #13 on the how to pages.

weekly cleaning with detergent is too often.
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DanoM
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Joined: 20 Mar 2013
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Location: Los Angeles
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Espresso: Bezzera Strega, '84 La...
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Posted Sun Jul 14, 2013, 10:53pm
Subject: Re: Espresso Machine Maintenance question
 

steven_meyer Said:

weekly cleaning with detergent is too often.

Posted July 14, 2013 link

I wasn't aware there is a problem backflushing with detergent on a weekly basis.  What kind of problems am I creating by doing so?

As far as I know there's a stainless 3-way valve, related o-ring & rubber seals, silicone tubing and some brass that would come in contact with the detergent.  Does it harm rubber materials?

Just want to make sure I'm not creating more maintenance issues. Thanks.
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,057
Location: Germany
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Espresso: Poccino Opus One, Ariete
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Posted Sun Jul 14, 2013, 11:53pm
Subject: Re: Espresso Machine Maintenance question
 

Personally, I backflush with water at the end of every session and use detergent once a week or after about 35 to 40 shots, depending on what comes first. In a commercial environment it's not unusual (or at least it shouldn't be) to backflush several times a day.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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steven_meyer
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Joined: 19 Jul 2003
Posts: 512
Location: San Bruno, ca
Expertise: I love coffee

Espresso: Alex Duetto 3.0, ECM  Giotto...
Grinder: HG-One, Mahlkonig K-30 vario
Posted Mon Jul 15, 2013, 3:20am
Subject: Re: Espresso Machine Maintenance question
 

Oh sorry. I misspoke a little. What I meant to say, was I thought once a week may be a little over kill. When I was backflushing on a once of week basis I found the lever was starting to get a little sticky-rough. So I started  on a twice of month routine. I am a single household user, so that may make a difference. Sorry for the confusion.
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coffeeshone
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Joined: 29 Nov 2011
Posts: 53
Location: NY, NY
Expertise: I love coffee

Posted Mon Jul 15, 2013, 6:09am
Subject: Re: Espresso Machine Maintenance question
 

Ok, that makes sense. I've had the sticky lever problem right after flushing with detergent, but it usually goes away after to pull one shot post detergent. I pull about 20 shots a week, and if I go more than about 12 days without a detergent flush I can start to taste it. I backflush with water after every session.
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DanoM
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Joined: 20 Mar 2013
Posts: 394
Location: Los Angeles
Expertise: I love coffee

Espresso: Bezzera Strega, '84 La...
Grinder: Compak K10, Kludge grinder,...
Posted Mon Jul 15, 2013, 6:52am
Subject: Re: Espresso Machine Maintenance question
 

Thanks for clarifying the backflush issue!  I was hoping it was personal preference, and I wasn't causing problems.

Interesting thing with the sticky lever after a backflush.  Glad you pointed that out.
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,226
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4, Pharos,...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Mon Jul 15, 2013, 1:59pm
Subject: Re: Espresso Machine Maintenance question
 

I think this article on 1st-line, about why they recommend back flushing every 50 extractions, is worth reading

http://www.1st-line.com/store/pc/Bachflush-Why-50-d296.htm

.

 
.
Always remember the most important thing is what ends up in your cup!
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