That would be my guess. I will forward some info to you off list.
On Sun, Mar 15, 2009 at 7:23 AM, David Jacobs <[email protected]> wrote: > > OK, this just happened again (it happens about once an hour?) and it > was definitely what I am calling the safety valve - i.e. the large > valve that's closer to the front of the machine and is in the middle > of the picture above. > > So, I need to replace the p-stat ? > > > On Sun, Mar 15, 2009 at 12:42 PM, David Jacobs <[email protected]> wrote: > > Thanks very much, everyone for the notes. > > > > The teflon hose does appear to be in good shape. > > > > There is some mineral build up on the relief valve, and with the > > casing off I have observed a couple occasions where the steam is > > released for 30-60 seconds. Is that normal? Along the inside back of > > the casing, you can also see where the some minerals have built up. > > Note I am referring to the "relief valve" as the smaller, lower, pin > > further towards the back right corner of the case. It's not > > immediately obvious to me (aside from Ben's description) how I would > > tell the difference between the relief valve and the safety valve > > (which is larger and closer to the front of the machine). > > > > I also want to respond to Barry's note: "Keep the cover off and watch > > if the water is being blown out of the safety valve from the boiler it > > is probably the p-stat" If I have, in fact, mixed up the relief valve > > and the safety valve, then this would be the case. > > > > I am going to continue to observe. > > > > Thanks, > > David > > > > > > > > On Sun, Mar 15, 2009 at 11:29 AM, Ben McCafferty <[email protected]> wrote: > >> > >> Hi David, > >> My guess is that the steam vacuum breaker is letting out some steam. On > the > >> top of the steam boiler, it's the small pin sticking straight up. > >> Basically, as the boiler cools, it opens downward to allow the vacuum to > >> break. On mine, that periodically builds up minerals and fails to seal, > and > >> I get a gentle hiss more or less all the time, but sometimes > intermittently. > >> Since you have the cover off already, you can remove it for cleaning > pretty > >> easily (when the machine is COLD, of course) and put it back. I've also > >> found that I can sometimes get away with blowing the minerals off by > >> depressing the pin on a hot machine with a well-protected hand or > implement > >> (you'll be releasing steam straight up, and it will burn you if you > don't > >> use a glove, etc. > >> > >> I would also note, however, that I've never had condensation on my cups, > so > >> perhaps you have a larger leak in the boiler somewhere else, or maybe > the > >> seal on this part has failed partially. > >> > >> HTH, > >> bmc > >> "Faith will move mountains, but you'd better bring a shovel....." > >> > >> > >> > >>> From: David Jacobs <[email protected]> > >>> Reply-To: <[email protected]> > >>> Date: Sun, 15 Mar 2009 00:56:23 -0400 > >>> To: <[email protected]> > >>> Subject: Soft sound and steam - a cause for concern? > >>> > >>> I noticed this morning that my Brewtus was making a new sound, and the > >>> cups in the cup warmer were all covered in steam residue. I observed > >>> that every minute or so there was a soft sound coming from the machine > >>> - it sounded almost like water being let gently out of a balloon. The > >>> espresso shots were fine, however, and the temperature was mostly > >>> stable at 95 degrees. Right after the "release" sound, the temperature > >>> would drop to 93 and then quickly climb back to 95. I took the casing > >>> off of the Brewtus and didn't see anything immediately out of order, > >>> except perhaps that there was some buildup on on of the boilers > >>> (picture attached) and the insulation was worn down. > >>> > >>> Can someone help me diagnost this problem further, or should I simply > >>> not be concerned? > >>> > >>> Thanks, > >>> David > >>> > >>> > > >> > >> > >> > >> >> > >> > > > > > > > > -- > > [email protected] > > (646) 244 9910 > > http://hello.typepad.com > > > > > > -- > [email protected] > (646) 244 9910 > http://hello.typepad.com > > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
