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Date: 20 Sep 2006 12:01:30
From: Paul Sack
Subject: procon bypass valve spring
Hi,

The vibe pump and/or pump bypass valve on my Faema Compact is not
doing well. I'm considering converting to a rotary pump, since it
won't cost that much more, IF I can convert a used 151-250 psi model
from a carbonator pump to a 100-150 model. (9 bar is ~ 130 psi for
metrically-inclined readers.)

Procon says it's possible to replace the spring, but that it's not
recommended that *I* do it. Is it particularly difficult to seat the
spring and thread the bolt that holds it all together?

I didn't have any problems reassembling the bypass valve I'm using
now, but I don't know if the Procon bypass valve is particularly
tricky. (and would like to find out first)

Cheers,
-Paul




 
Date: 21 Sep 2006 16:29:28
From:
Subject: Re: procon bypass valve spring

Paul Sack wrote:
> Hi,
>
> The vibe pump and/or pump bypass valve on my Faema Compact is not
> doing well. I'm considering converting to a rotary pump, since it
> won't cost that much more, IF I can convert a used 151-250 psi model
> from a carbonator pump to a 100-150 model. (9 bar is ~ 130 psi for
> metrically-inclined readers.)
>
> Procon says it's possible to replace the spring, but that it's not
> recommended that *I* do it. Is it particularly difficult to seat the
> spring and thread the bolt that holds it all together?
>
> I didn't have any problems reassembling the bypass valve I'm using
> now, but I don't know if the Procon bypass valve is particularly
> tricky. (and would like to find out first)
>
> Cheers,
> -Paul

Piece of cake. The only minor problem is that sometimes the plunger
falls into the strainer screen and you have to fish it out.

k



  
Date: 23 Sep 2006 07:32:23
From: Paul Sack
Subject: Re: procon bypass valve spring
m.atanovich@cox.net writes:

> Paul Sack wrote:
> > Procon says it's possible to replace the spring, but that it's not
> > recommended that *I* do it. Is it particularly difficult to seat the
> > spring and thread the bolt that holds it all together?

> Piece of cake. The only minor problem is that sometimes the plunger
> falls into the strainer screen and you have to fish it out.

Do you actually have to change the spring? I am also looking at a 250
psi Fluidotech pump. I emailed Fluidotech and they said I didn't need
to replace the spring, just to turn the screw a few turns. But there
are a lot more food-safe 250 psi Procons floating around than Fluidotech.

Thanks,
-Paul


   
Date: 23 Sep 2006 11:15:31
From: Dan Bollinger
Subject: Re: procon bypass valve spring
> Do you actually have to change the spring? I am also looking at a 250
> psi Fluidotech pump. I emailed Fluidotech and they said I didn't need
> to replace the spring, just to turn the screw a few turns. But there
> are a lot more food-safe 250 psi Procons floating around than Fluidotech.

Loosening the adjustment screw may work, it depends on the spring's rate and
preload, and how much thread is available. Certainly worth a try!