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Rancilio Silvia V3 - Overflow Tube Steaming & Bubbling
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bcrdukes
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Joined: 22 Feb 2010
Posts: 93
Location: Vancouver, BC
Expertise: Just starting

Espresso: Rancilio Silvia V3 w/ Auber...
Grinder: Baratza Vario
Drip: Hario V60
Posted Sun Sep 30, 2012, 3:51pm
Subject: Rancilio Silvia V3 - Overflow Tube Steaming & Bubbling
 

Hey folks,

I have a Rancilio Silvia V3 with an Auber PID.  I noticed over the past 3 weeks that steam is bubbling through the overflow tube in the water resevoir when I have the steam function turned on.  This does not happen while pulling regular shots.  For what it's worth, the machine is 2 years and 1 month old so warranty is out of the question.

I clean my machine thoroughly once a month and recently rebuilt the steam wand with the new gasket/o-rings.  There are no leaks of any sort.  I'm getting good shots as usual.  I have NOT yet made adjustments to the over pressure valve.  The 3-way valve works as usual (or at least I think so anyway.)

Please see the following Youtube video below.  I apologize for the poor quality but you can see the steam bubbling/gurgling through the overflow tube.  You may need to turn up your volume.  Any comments / suggestions appreciated.  Thank you!

Mike

http://youtu.be/is1qblL1YS0
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frcn
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frcn
Joined: 23 Dec 2001
Posts: 3,451
Location: Northern California
Expertise: Professional

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Posted Sun Sep 30, 2012, 7:05pm
Subject: Re: Rancilio Silvia V3 - Overflow Tube Steaming & Bubbling
 

While it isn't impossible for that to happen in the way you describe, I would ask you to hold the hose above the water level when pulling a shot to verify that no water is bypassing the pressure relief valve during that function. I would guess that it does, but since there is virtually no steam in the boiler in teh brew function that a flow at that time would not be easily seen.

 
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bcrdukes
Senior Member


Joined: 22 Feb 2010
Posts: 93
Location: Vancouver, BC
Expertise: Just starting

Espresso: Rancilio Silvia V3 w/ Auber...
Grinder: Baratza Vario
Drip: Hario V60
Posted Sun Sep 30, 2012, 7:55pm
Subject: Re: Rancilio Silvia V3 - Overflow Tube Steaming & Bubbling
 

frcn Said:

While it isn't impossible for that to happen in the way you describe, I would ask you to hold the hose above the water level when pulling a shot to verify that no water is bypassing the pressure relief valve during that function. I would guess that it does, but since there is virtually no steam in the boiler in teh brew function that a flow at that time would not be easily seen.

Posted September 30, 2012 link

frcn,

Thanks for the reply.  No water bypassing the pressure relief valve while pulling a shot.  What happens if it does?

Edit:  Long shot but any possibility that the pump is weak or clogged?
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bcrdukes
Senior Member


Joined: 22 Feb 2010
Posts: 93
Location: Vancouver, BC
Expertise: Just starting

Espresso: Rancilio Silvia V3 w/ Auber...
Grinder: Baratza Vario
Drip: Hario V60
Posted Wed Oct 3, 2012, 3:58am
Subject: Re: Rancilio Silvia V3 - Overflow Tube Steaming & Bubbling
 

Fixed it.

It was the over pressure valve.  Gasket was cooked.  All is well now!
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