i had the same problem a couple of weeks ago. the vacuum breaker was leaking. i took it apart and put a high temp silicone o-ring in and it seems to be working great now. no problems since the o-ring. the old one had crumbled and wouldn't seal.
>________________________________ >From: "[email protected]" <[email protected]> >To: Brewtus <[email protected]> >Sent: Monday, September 26, 2011 11:45 PM >Subject: Re: Pump Switching > >My poor phrasing, Im afraid. Yes, I have been steaming too. Good to >know about the vacuum breaker for future reference. > >Pete > >On Sep 25, 9:24 pm, Benjamin McCafferty <[email protected]> wrote: >> It happens most commonly when you're steaming too, so if you were just >> pulling shots, it would be unusual for it to switch. I can pull shots for a >> long time without any switching, but mix in a little steam... >> >> I also had a point where the vacuum breaker on the steam boiler was crusty, >> and leaking just a touch (slight hissing from the back left of the machine). >> That allowed steam to escape which also made the boiler need to be topped >> of more often (thus causing more frequent switching). Maybe have a look at >> that too. >> >> b >> >> On Sep 25, 2011, at 7:38 PM, [email protected] wrote: >> >> >> >> > Thanks to you both. Pulled six shots today and what i described did >> > not happen again. I will keep an eye on it for now. >> >> > Pete >> >> > On Sep 25, 10:23 am, Benjamin McCafferty <[email protected]> wrote: >> >> Good to know William. On the flip side, when I switched from vibe to >> >> rotary, this symptom didn't change, i.e. it will still switch back and >> >> forth. So I'm guessing we may be seeing two related things in action. >> >> b >> >> >> On Sep 25, 2011, at 8:55 AM, william mckenzie wrote: >> >> >>> I just replaced a pump that had deteriorated to the point where it was >> >>> happening every few seconds. It still occurred at least once per brew >> >>> cycle, and then for unrelated reasons I dialed the brew pressure down to >> >>> 9 from 10 and the problem seemed to go away. >> >>> Sent via BlackBerry by AT&T >> >> >>> -----Original Message----- >> >>> From: Benjamin McCafferty <[email protected]> >> >>> Sender: [email protected] >> >>> Date: Sun, 25 Sep 2011 08:12:39 >> >>> To: <[email protected]> >> >>> Reply-To: [email protected] >> >>> Subject: Re: Pump Switching >> >> >>> Hi Pete, >> >>> After watching this closely many many times, I concluded that Ira was >> >>> right and that it is just the pump switching over to fill the steam >> >>> boiler as it gets depleted, then switching back to the brew cycle. I >> >>> can't say for sure if this changed from new, i.e. if the sensor for the >> >>> steam boiler has gotten more sensitive, etc. Also have never figured >> >>> out if it makes any difference to the quality of the shot--it's not >> >>> dramatic in any case, but may be a little better when you just pull a >> >>> shot without using steam at the same time. >> >> >>> One obvious solution is to pull your shot either before or after >> >>> steaming, but that was unacceptable to me, since it defeats one of the >> >>> main purposes of a double boiler machine. >> >> >>> best, >> >>> bmc >> >> >>> On Sep 24, 2011, at 8:30 PM, [email protected] wrote: >> >> >>>> Hello Everyone, >> >> >>>> I noticed something peculiar tonight that I wanted to mention to the >> >>>> group. About 20 seconds into my shot, I heard a 'click'. The brew >> >>>> pressure then dropped to zero and shot back up to 9 bar - all within a >> >>>> second or two. I understand that this probably has to do with the brew >> >>>> boiler filling with water - but it has never happened during a shot >> >>>> before. I remember Ben McCafferty mentioning that he had the same >> >>>> issue back on March 23 (he used the same subject heading as above). >> >>>> Any ideas as to what this might be? >> >> >>>> Pete >> >> >>>> -- >> >>>> You received this message because you are subscribed to the Google >> >>>> Groups "Brewtus" group. >> >>>> To post to this group, send email to [email protected]. >> >>>> To unsubscribe from this group, send email to >> >>>> [email protected]. >> >>>> For more options, visit this group >> >>>> athttp://groups.google.com/group/brewtus?hl=en. >> >> >>> -- >> >>> You received this message because you are subscribed to the Google >> >>> Groups "Brewtus" group. >> >>> To post to this group, send email to [email protected]. >> >>> To unsubscribe from this group, send email to >> >>> [email protected]. >> >>> For more options, visit this group >> >>> athttp://groups.google.com/group/brewtus?hl=en. >> >> >>> -- >> >>> You received this message because you are subscribed to the Google >> >>> Groups "Brewtus" group. >> >>> To post to this group, send email to [email protected]. >> >>> To unsubscribe from this group, send email to >> >>> [email protected]. >> >>> For more options, visit this group >> >>> athttp://groups.google.com/group/brewtus?hl=en. >> >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "Brewtus" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> > [email protected]. >> > For more options, visit this group >> > athttp://groups.google.com/group/brewtus?hl=en. > >-- >You received this message because you are subscribed to the Google Groups >"Brewtus" group. >To post to this group, send email to [email protected]. >To unsubscribe from this group, send email to >[email protected]. >For more options, visit this group at >http://groups.google.com/group/brewtus?hl=en. > > > > -- You received this message because you are subscribed to the Google Groups "Brewtus" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/brewtus?hl=en.
