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Date: 03 Nov 2006 10:13:41
From: mikeyb411
Subject: Silvia Pressure

How do I know if Silvia is working upto par? I thought she had been
dying and not spitting out enough pressure.

I have a pressure gauge but don't know how to use it, other than I put
it on the portafilter hit brew and water leaks everywhere and the gauge
doesn't change. Help.

Also, other test I can do to see if she is up to par.

Brew Temp: ?
Double shot in 25-30 sec right?
Brew Pressure:?
Amount of water coming out of portafilter w/ no filter basket: x.x oz
in ? seconds?

I just need a way to verify for sure if I need to replace the pump.

Thanks,





 
Date: 03 Nov 2006 15:50:37
From: daveb
Subject: Silvia Pressure leaking off / / / / /
How old is it? THAT is one of the main considerations when looking at
to pimp your pump.
over 3 or 4 years?


And what's with the leaks??

tell me more!

dave

mikeyb411 wrote:
> How do I know if Silvia is working upto par? I thought she had been
> dying and not spitting out enough pressure.
>
> I have a pressure gauge but don't know how to use it, other than I put
> it on the portafilter hit brew and water leaks everywhere and the gauge
> doesn't change. Help.
>
> Also, other test I can do to see if she is up to par.
>
> Brew Temp: ?
> Double shot in 25-30 sec right?
> Brew Pressure:?
> Amount of water coming out of portafilter w/ no filter basket: x.x oz
> in ? seconds?
>
> I just need a way to verify for sure if I need to replace the pump.
>
> Thanks,



 
Date: 03 Nov 2006 10:53:18
From: Randy G.
Subject: Re: Silvia Pressure
"mikeyb411" <mabpdc411@yahoo.com > wrote:

>
>How do I know if Silvia is working upto par? I thought she had been
>dying and not spitting out enough pressure.
>
>I have a pressure gauge but don't know how to use it, other than I put
>it on the portafilter hit brew and water leaks everywhere and the gauge
>doesn't change.
>
When you say "leaks everywhere" can you be more specific?
A guess: You need to use a basket in the portafilter when you do
this, otherwise the portafilter body alone will not seal against the
brewhead gasket.

>Also, other test I can do to see if she is up to par.

>Brew Temp: ?
>
That can vary widely depending on the thermostats designed range,
where in the cycle you measure it, and more importantly, how you
measure it. _AROUND_ 190f. or above __generally__ means you are doing
OK as far as temperature goes.

>Double shot in 25-30 sec right?
>
yes

>Brew Pressure:?
>
_ABOUT_ 130-135 psi. max.

>Amount of water coming out of portafilter w/ no filter basket: x.x oz
>in ? seconds?
>
it should be __ABOUT__ 70-80ml (2.5 ounces, +/-.25 ounces) in about
ten seconds.

>I just need a way to verify for sure if I need to replace the pump.
>
Have you backflushed lately?
-if NO, then that can be part of the problem
-if YES, then that can be part of the problem
;-)

Randy "the Gospel according to Backflush" G.
http://www.EspressoMyEspresso.com