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Nuova Simonelli Oscar fitting leaking
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frank828
Senior Member


Joined: 23 Feb 2011
Posts: 581
Location: Los Angeles
Expertise: Professional

Espresso: GS3
Grinder: RoburE, Kenia
Vac Pot: Hario
Drip: Brazen, CCD, Aeropress, V60,...
Roaster: Behmor, Air Crazy
Posted Fri Aug 24, 2012, 4:57pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

looking at the diagram again, i see that there is a plastic retaining valve that connects from the T to the brass retaining/expansion valve.  

here's the part http://www.espressoparts.com/S_459?&search_id=1891752

more likely that this plastic part with an o-ring will probably fail before the metal fittings.  *shrug*
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Coffeenoobie
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Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Fri Aug 24, 2012, 8:22pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

I had to replace my part there. http://www.espressoparts.com/S_459?&search_id=1891752   It was stuck open  however, it was not leaking.  I documented what I did and photos of the broken value.  I ordered and got it from espresso parts.  See my thread on that.

"Oscar group head steaming and pulsing water"

I would get another hose or shorten it as suggested.  Check that valve while you are in there.  My machine was supposedly not used very much either when I bought it.

If the tape has bits that break off it is supposed to be bad for the machine.  That is why I used goo when I fixed mine.  I have no leaking since repair.  Take lots of photos so you can put it back together. It really helps.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

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Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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benpiff
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benpiff
Joined: 5 Feb 2010
Posts: 323
Location: Portland, OR
Expertise: I live coffee

Espresso: RocketR58,GrimacMini,Vetrano
Grinder: K10Fresh,LSM FK
Vac Pot: Vario,Pharos
Drip: Livia 90, NS Elli
Roaster: Sonofresco ADR
Posted Sun Sep 9, 2012, 9:03pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

I ordered that part from Espresso Parts, but it doesn't look like what I'll need. And then strangely, I noticed more leaking when I recently broke the machine out again and trimmed the tube a little bit. What do you guys make of this?
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Sun Sep 9, 2012, 11:28pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

There is a valve up there.... I saw it when I took mine apart to fix the part you ordered. That valve may not be working correctly.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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benpiff
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benpiff
Joined: 5 Feb 2010
Posts: 323
Location: Portland, OR
Expertise: I live coffee

Espresso: RocketR58,GrimacMini,Vetrano
Grinder: K10Fresh,LSM FK
Vac Pot: Vario,Pharos
Drip: Livia 90, NS Elli
Roaster: Sonofresco ADR
Posted Sun Sep 30, 2012, 9:01pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

Hi guys, can someone else look inside their Oscar and verify that the fittings are the same? I'm not sure what to do here.

 
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Sun Sep 30, 2012, 9:39pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

I am not sure what you want me to tell you... there is a valve up there that is electronically controlled.  Tell me what you need to know...  I can take photos of mine if it will help you tomorrow.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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Markarian
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Markarian
Joined: 27 Jun 2012
Posts: 658
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Mon Oct 1, 2012, 12:02am
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

For what it's worth, my Oscar is full of plumber's tape at every turn. Just last night I had to fix a leak between the 3 Way Valve and the group head. We used plumber's tape and it works like a charm. We used plumber's tape to put a 1-hole Silvia tip on the steam wand, again, it saved the day. NS should just ship these things with a set of wrenches and a few rolls of teflon tape. If it's any consolation, I think these machines, when purchased used, all have problems, so you're not alone. They are fixable. I can't believe how much stupidity and abuse my Oscar has suffered on my part and still keeps on brewing.
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Mon Oct 1, 2012, 5:48pm
Subject: Re: Nuova Simonelli Oscar fitting leaking
 

Tape works, I have just read goo is recommended because if a tiny bit of tape comes off it can clog a valve or something.  Let me know what you need to know about that valve, I removed it and looked at it when I had the replace the safety valve on the boiler on that side.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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