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Silvia V3 Steam Wand Issue
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Discussions > Espresso > Espresso Mods > Silvia V3 Steam...  
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RangerRick9211
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Joined: 3 Mar 2013
Posts: 11
Location: Houston
Expertise: I like coffee

Posted Wed Jun 19, 2013, 4:51pm
Subject: Silvia V3 Steam Wand Issue
 

6 mo. old, Silvia V3 w/ Auber's PID (brew and steam). Last night, post shot, I heated the boiler to steam temp. Upon attempting to bleed water out of the line I noticed a severe lack of steam and it vacated at an awkward angle... It seemed like it was blocked. Following a few hours of descaling. Same results, however, the hot water via steam wand seems to flow fine.

Today I decided to remove the steam wand and give it a good descale bath in hopes of breaking up any deposits or milk build-up. However, trying as hard as I could left-loosey on the exterior steam arm bolt it wouldn't come loose.  So, A) any opinions on if I'm on the correct path and B) am I missing something with the steam arm bolt or does it need more TLC?

Any help is appreciated. Thanks!
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,165
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 Wed Jun 19, 2013, 5:24pm
Subject: Re: Silvia V3 Steam Wand Issue
 

I'm going to take a wild stab and assume you mean the nut at the underside of the machine, where the wand is attched.  You're turning it the right direction and it should come off relatively easy using an open end wrench with one hand, while holding the machine with your other hand.  Given your issue you describe and the difficulty you're having, I think it's safe to say you're going to need to replace the o-rings. Make sure you have spares on hand before you disassemble. May as well order a spare gasket too for the group if you don't have one of those around. Since you have water coming out the wand without a hitch, wand blockage surely isn't the steam problem.  It does sound like you have a leak.  You might want to remove the cover, then let it heat up and run the steam, to see if you have a leak at the valve, or even somewhere else.  Just be careful not to burn yourself.

Where in Houston are you?  I'm in Bellaire.

.

 
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Always remember the most important thing is what ends up in your cup!
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RangerRick9211
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Joined: 3 Mar 2013
Posts: 11
Location: Houston
Expertise: I like coffee

Posted Wed Jun 19, 2013, 5:45pm
Subject: Re: Silvia V3 Steam Wand Issue
 

It is the nut on the underside. And unless it's reverse threads, I am turning it the correct direction. However, I've cranked on it and it still won't budge.

But you've given me some other ideas. I have the cover off so that I could take a look at the assembly. I'll heat her up and to check for leaks. I'll also order some o-rings.

And I'm in the Heights. Tread lightly... If I can't figure this out I may be bribing you for help.
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,165
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 Wed Jun 19, 2013, 6:06pm
Subject: Re: Silvia V3 Steam Wand Issue
 

hmm. it should be coming off.  did you get the machine new or used?  If you undo the fitting where the line comes in to the valve, remove the nut that holds the valve on the frame and then pull the knob off, you may be able to lift the entire wand valve assembly out of the machine through the top (I don't remember if it fits through that way or not). If so, maybe you can get the valve on a bench vise and then apply more torque on the nut.  Worst case scenario, a new wand valve assembly is something like about $70 (iirc).

Ha! I was just in the heights earlier today...near Boomtown Coffee, actually.

 
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Always remember the most important thing is what ends up in your cup!
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RangerRick9211
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Joined: 3 Mar 2013
Posts: 11
Location: Houston
Expertise: I like coffee

Posted Wed Jun 19, 2013, 6:59pm
Subject: Re: Silvia V3 Steam Wand Issue
 

Machine is newish. As I stated in the post title, it's only 6 mo. old. Used daily for 2 shots and 2 caps. Back flushed weekly and descaled monthly.

Funny. We just got back from Boomtown. With the Silvia disabled, I needed to pick-up some pour over beans.

If you're interested, shoot me an email at t.h.texags@outlook.com. Next time you're near Boomtown, I would love to treat you in exchange for a coffee discussion.
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,165
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 Wed Jun 19, 2013, 8:28pm
Subject: Re: Silvia V3 Steam Wand Issue
 

sounds good.  I'll hit you up when I can.

I asked about the new or used because I wanted to see if you were the only owner...you never know what crazy thing someone's going to do to a machine that you didn't realize - like put treadlock on something that's supposed to come apart periodically.  but it looks like that's not a possibility...so it's kind of baffling that you can't get it to budge at all.

 
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Always remember the most important thing is what ends up in your cup!
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Burner0000
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Joined: 28 Jul 2011
Posts: 1,090
Location: Cambridge, Ontario Canada
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Espresso: Rancilio Silvia, VFA Expres...
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Roaster: Behmor 1600 / Sonofresco
Posted Thu Jun 20, 2013, 6:54am
Subject: Re: Silvia V3 Steam Wand Issue
 

The steam arm heats up and cools.  Try heating the machine and loosening the bolt again while hot.
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RangerRick9211
Senior Member


Joined: 3 Mar 2013
Posts: 11
Location: Houston
Expertise: I like coffee

Posted Thu Jun 20, 2013, 4:01pm
Subject: Re: Silvia V3 Steam Wand Issue
 

Finally got it off. Threw everything I had at it w/ the machine braced against the wall. O-rings look healthy. I'm going to let it take a cleancaf bath for a few hours. Hopefully that does it.
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,165
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 Thu Jun 20, 2013, 4:23pm
Subject: Re: Silvia V3 Steam Wand Issue
 

Excellent news!

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