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Rocket Cellini Leak- What is this thing?
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CountChocula
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CountChocula
Joined: 12 Feb 2012
Posts: 6
Location: Los Angeles
Expertise: I love coffee

Posted Sun Dec 30, 2012, 2:17pm
Subject: Rocket Cellini Leak- What is this thing?
 

My machine is leaking underneath back side of machine (where all the hoses are). It only leaks sometimes but I wake up to a small puddle once a week and that's no so good.

I popped off the cover today and all the hose fittings look tight to me but I did notice a small puddle about the size of a quarter underneath the part - valve or filter thing  - that I've attached.
As you can see in tyne photo, this piece contains a chamber with a micro filter which now a few coffee grinds lodged therein. Could this be a possible leak source and need replacing or is it simply doing what it's supposed to do and I need to look elsewhere?
Also,  does its orientation matter? I ask because when I blow air through it  (with mouth), one direction has much better flow, leading me to believe it could be a pressure thing and it might matter a lot. And stupid me forgot which way it goes.

Greatly appreciate any help.

michael

CountChocula: valve.jpg
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SStones
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SStones
Joined: 24 Nov 2012
Posts: 474
Location: Canada
Expertise: Professional

Espresso: Giga 5, ECM Giotto, Rocket...
Grinder: Anfim Milano-Best
Vac Pot: No  :(
Drip: Some $30 thing from Walmart
Roaster: I buy pre-roasted.
Posted Sun Dec 30, 2012, 4:35pm
Subject: Re: Rocket Cellini Leak- What is this thing?
 

Just a tiny inline filter to prevent any coffeegrounds or other small solids that might fall into your reservoir from getting into your pump.  You can run the machine without it, so long as you keep your water clean. (Ie. Connect the two loose ends of flexible hose to anything that will replace the leaky filter. You can probably buy a new one from anyone who sells Rocket products. It is in the Giottos and presumably other machines, also.
If it is leaking, you should be able to tell when you remove it.  Block one end with a fingertip and suck hard on the other end.  If you can't form a vacuum and just get constant airflow, then the plastic is cracked and the filter should be replaced (Or slathered in JB Weld until you can get a new one.  If it costs more than $9.00 someone is ripping you off.
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frcn
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frcn
Joined: 23 Dec 2001
Posts: 3,352
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 Sun Dec 30, 2012, 5:32pm
Subject: Re: Rocket Cellini Leak- What is this thing?
 

Not JB Weld. I recommend Devcon 22045 "Plastic Welder." This is an epoxy specifically for plastic.

 
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CountChocula
Senior Member
CountChocula
Joined: 12 Feb 2012
Posts: 6
Location: Los Angeles
Expertise: I love coffee

Posted Sun Dec 30, 2012, 5:56pm
Subject: Re: Rocket Cellini Leak- What is this thing?
 

Suction is there. It's airtight.

Back to the drawing board. I suspect I should attempt to better catch the leak in the act...as in remove the top after I see a ton of water and hope I can narrow it to a fitting with moisture.

It all looks fine so.....

Thanks a lot for the info. Thanks to SS below too.

m
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SStones
Senior Member
SStones
Joined: 24 Nov 2012
Posts: 474
Location: Canada
Expertise: Professional

Espresso: Giga 5, ECM Giotto, Rocket...
Grinder: Anfim Milano-Best
Vac Pot: No  :(
Drip: Some $30 thing from Walmart
Roaster: I buy pre-roasted.
Posted Sun Dec 30, 2012, 6:28pm
Subject: Re: Rocket Cellini Leak- What is this thing?
 

CountChocula Said:

Suction is there. It's airtight.
Back to the drawing board. I suspect I should attempt to better catch the leak in the act...as in remove the top after I see a ton of water and hope I can narrow it to a fitting with moisture.
It all looks fine so.....
Thanks a lot for the info. Thanks to SS below too.
m

Posted December 30, 2012 link

I have to say again that I'm unfamiliar with the Cellini, but I expect that it is internally very similar to my Giotto...  So the watertank has a valve in the bottom that is opened by the grounded brass stick in a cup under the watertank (that also provides ground to your reservoir probe). If this is so, then there is probably a breather-tube that rises up beside your reservoir. This allows the watertank to be pushed down into place and pullled up out of the machine without causing vacuum or pressures that could blow hoses off of fittings.  If you push the watertank down quickly, you will get a spurt of water out of the top of this breather-tube.  In new giottos, there's a silly little attempt at a check valve in the tip, but it still spurts.

Try using the machine with the back and top off.  If you can't find any leaks, it might be the breather tube spurting when you put the watertank in.
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CountChocula
Senior Member
CountChocula
Joined: 12 Feb 2012
Posts: 6
Location: Los Angeles
Expertise: I love coffee

Posted Sun Dec 30, 2012, 6:42pm
Subject: Re: Rocket Cellini Leak- What is this thing?
 

Yup mine has the same config.

Unless I am missing something, that release hose can't be the source of my leak if I haven't removed the tank (until today) in over 6 months, right?

Problem started maybe a month ago. The water does collect under that same side.

Hmm...

thx
m
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