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Silvia too much water on steaming after cleaning
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Discussions > Espresso > Q and A > Silvia too much...  
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silvia06
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Joined: 6 Apr 2014
Posts: 2
Location: mn
Expertise: I love coffee

Posted Sun Apr 6, 2014, 6:36am
Subject: Silvia too much water on steaming after cleaning
 

My first post here after watching the site for years.  

I've had and used with pleasure a 2006 Rancilio Silvia; I installed a PID some years ago to deal with the wide temp range, but no other mods.  I clean Silvia with cleancaf every 3 weeks to monthly (never backflushed).  After cleaning, for the next several cycles, I get a lot of water before I get steam.  After a few cycles, it gets back to a normal amount of water (probably that in the tubing) prior to getting steam.  Is there a fix for this or is it something I do wrong?  I always fill the boiler after each cycle.
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,745
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Apr 7, 2014, 7:10am
Subject: Re: Silvia too much water on steaming after cleaning
 

Hi and welcome out of the darkness!

Descale, cleaning and back flushing are all different things and you  need to do them all. Just saying.

I am not sure what you consider too much water. The boiler in Sylvia is pretty small, It does not have any "air space" for steam to form in, like a HX or a DB machine, it depends on the water being hot enough to turn to steam as it exits the boiler so if it is not up to temp, it will be hot water. There can be water in the line to the steam wand that does not heat enough as it is away from the boiler. There will always be water from the steam wand as you start up. As you steam, then more space forms inside the boiler allowing the steam to build but it does not start that way.

Cleaning the machine should have no affect on the abilities to steam that I can see.

 
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silvia06
Senior Member


Joined: 6 Apr 2014
Posts: 2
Location: mn
Expertise: I love coffee

Posted Mon Apr 7, 2014, 12:05pm
Subject: Re: Silvia too much water on steaming after cleaning
 

Thank you.  By too much water, I mean I hold a pitcher under the wand for at least 30 seconds before steam replaces a high pressure stream of very hot water.  The PID reads 300 F (sensor on top of the boiler, not inside it) when I open the steam valve.  As I said, the next several cycles will see decreasing amounts of water, until after about 5 cycles, I get hot water for about 5 seconds until I get pure steam.
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Whitcoatsyndrom
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Whitcoatsyndrom
Joined: 25 Apr 2013
Posts: 175
Location: Roanoke, VA
Expertise: I live coffee

Espresso: Expobar Office Pulser
Grinder: Baratza Vario
Drip: Newco-OCS 12
Roaster: HG/BM
Posted Mon Apr 7, 2014, 7:07pm
Subject: Re: Silvia too much water on steaming after cleaning
 

you may be able to narrow down your list of potential problems by stopping the CleanCaf.  I've never used that product and although Urnex says its safe for espresso machines, it looks like it's meant more for drip coffee brewers.  I'm pretty cautious with any type of chemical that I'm actually running through the boiler.  The only chemical I will run through the boiler is a descaler like Dezcal (another Urnex product), and even then I'll do it maybe once every 2 months.  

You shouldn't have any oily coffee residue inside your boiler, the coffee never makes it in there.  With that, it's a little overkill that you are putting a cleaner with that exact purpose through the boiler.  If you had a drip coffee maker, it would make sense because it would clean off the brewing basket and pot etc etc.  This is why espresso machine users backflush--it removes the coffee gunk from the grouphead down through where your extra brew pressure is vented into the drip tray, but not into the boiler.  If you use the espresso machine every day, you should backflush with a cleaner such as cafiza or joeglo maybe once a week, some say more some say less (these are just cleaners, not descalers, and they should never be put through the boiler).  

Like I said, this may not fix your problem but it will at least rule out the scenario of the CleanCaf having some sort of affect on your machine.
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