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Discussions > Espresso > Machines > Silvia Shrieks!  
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V65Magnafan
Senior Member
V65Magnafan
Joined: 6 Aug 2008
Posts: 9
Location: Near Toronto
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Nemox Lux
Posted Sat Jun 15, 2013, 5:28am
Subject: Silvia Shrieks!
 

I've enjoyed my Silvia for several years. Lately, however, she's begun to complain. Loudly.

She complains when I turn her hot water knob. About 90 degrees into rotation, she lets out a loud shriek, like metal against metal. It's clearly a metal v metal vibration. Turning beyond that point, or back below that point, the noise stops.

I detect no impingement of the water flow.

The shriek occurs intermittently, but I cannot tie it to any particular action.

Attempting to minimize the noise by pushing the knob in, or laterally, has no effect on reducing the noise.

When preparing my customary early-AM weekend Americano, it's loud enough to disturb the family members in the rest of the house.

I have no problem disassembling the machine, so I'm looking for ideas about what to tighten, adjust, or replace.

Any help will be appreciated.

 
When seconds count between living or dying, the police are only minutes away." - Phillip Van Cleave (October 30, 2007)
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Depauperate
Senior Member


Joined: 29 May 2013
Posts: 29
Location: St. John's, NL
Expertise: I love coffee

Espresso: Rancilio Silvia V3 (PID)
Grinder: Baratza Vario
Drip: Aeropress
Posted Sat Jun 15, 2013, 6:04am
Subject: Re: Silvia Shrieks!
 

I'm by no means an expert, but also having lived with Silvia for a couple years, and reading all kinds of random posts, I'd posit that you either have some scale build-up, or the steam valve needs to be lubed.  If/When you descale, do you run some out through the hot water wand also? If you haven't done that lately, I'd say give that a whirl.  Also, if you have some food-safe lubricant, you could pull the knob off and put a tiny bit in around the rotating piece and twist it back and forth for a while to try and work it in a little... that might get you somewhere without having to dismantle anything.  After that, the steam arm does come apart, so you could actually get some lube in there.

Cheers,
Jeremy
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V65Magnafan
Senior Member
V65Magnafan
Joined: 6 Aug 2008
Posts: 9
Location: Near Toronto
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Nemox Lux
Posted Sat Jun 15, 2013, 11:13am
Subject: Re: Silvia Shrieks!
 

Great. Thanks Jeremy.

I'll try your ideas.

 
When seconds count between living or dying, the police are only minutes away." - Phillip Van Cleave (October 30, 2007)
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frcn
Senior Member
frcn
Joined: 23 Dec 2001
Posts: 3,427
Location: Northern California
Expertise: Professional

Espresso: Vibiemme Domobar Double
Grinder: Mazzer Kony, Baratza...
Vac Pot: Hario, 2 Cory pots, 1 Cory...
Drip: Behmor Brazen, Bunn A10 mod...
Roaster: computer controlled Hottop,...
Posted Sat Jun 15, 2013, 3:51pm
Subject: Re: Silvia Shrieks!
 

Sounds like an harmonic vibration between the shaft and the body of the valve. The valve is quite easy to overhaul if you are at all handy with hand tools. Remove, disassemble, clean all parts, replace the cock gasket and the O-rings and you are good to go. Use Dow 111 to lube the O-rings.

 
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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 Sat Jun 15, 2013, 6:58pm
Subject: Re: Silvia Shrieks!
 

Well, I'd have to add that the valve is pretty easy to overhaul if you have a bench vise. It's pretty darn hard to disassemble with only vise grips/channel locks.

 
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Always remember the most important thing is what ends up in your cup!
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tracerbullet
Senior Member
tracerbullet
Joined: 13 Feb 2012
Posts: 168
Location: Saint Paul
Expertise: I love coffee

Posted Mon Jun 17, 2013, 11:42am
Subject: Re: Silvia Shrieks!
 

Just an idea - are you totally sure it's metal / metal noise of some sort, or is there a chance it's just air / steam / water going through a small channel somewhere? I can make some pretty high pitched loud annoying noises when frothing milk w/ my Gaggia, that noise is in the pitcher itself but maybe something similar is going on inside your machine?
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Depauperate
Senior Member


Joined: 29 May 2013
Posts: 29
Location: St. John's, NL
Expertise: I love coffee

Espresso: Rancilio Silvia V3 (PID)
Grinder: Baratza Vario
Drip: Aeropress
Posted Mon Jun 17, 2013, 11:49am
Subject: Re: Silvia Shrieks!
 

Any luck?
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takeshi
Senior Member
takeshi
Joined: 12 Oct 2002
Posts: 989
Location: Houston
Expertise: I live coffee

Espresso: Alex Duetto 3.0
Grinder: Super Jolly
Roaster: Amaya Roasting
Posted Tue Jun 18, 2013, 12:59pm
Subject: Re: Silvia Shrieks!
 

tracerbullet Said:

Just an idea - are you totally sure it's metal / metal noise of some sort, or is there a chance it's just air / steam / water going through a small channel somewhere? I can make some pretty high pitched loud annoying noises when frothing milk w/ my Gaggia, that noise is in the pitcher itself but maybe something similar is going on inside your machine?

Posted June 17, 2013 link

My Silvia makes a very loud shrieking noise when refilling the boiler after steaming but that stops once the boiler is full.
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V65Magnafan
Senior Member
V65Magnafan
Joined: 6 Aug 2008
Posts: 9
Location: Near Toronto
Expertise: I love coffee

Espresso: Rancilio Silvia
Grinder: Nemox Lux
Posted Mon Jun 24, 2013, 7:47pm
Subject: Re: Silvia Shrieks!
 

Sorry for the delay.

I applied some food-quality lubricant (olive oil---Shhhhh!) to the plastic shaft of the pump knob and the plastic "washer" that sits between the front panel and the knob.

It needed a few hours to migrate to where it had to go and seems to have solved the problem.

Another technique is to preset the knob position before flipping the switch.

I'll keep us informed if it degrades again.

Thanks for your ideas.

 
When seconds count between living or dying, the police are only minutes away." - Phillip Van Cleave (October 30, 2007)
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