Budget 3 to 4 hours On Fri, Sep 19, 2008 at 3:25 PM, Ben McCafferty <[EMAIL PROTECTED]> wrote: > > I have lots of citric because I ordered it on your recommendation, and I > also use it to adjust pH of water for homebrewing. > > I'll have to look up your old email on the subject vis-à-vis procedure. > > bmc > "Faith will move mountains, but you'd better bring a shovel....." > > > >> From: Barry Luterman <[EMAIL PROTECTED]> >> Reply-To: <[email protected]> >> Date: Fri, 19 Sep 2008 14:55:24 -1000 >> To: <[email protected]> >> Subject: Re: Cleaning frenzy >> >> >> Use food grade sour salt . Much cheaper and safer. You will be amazed >> at the gunk that comes out. Tomorrow you will get a shot out of the >> machine that is great. It is insidious how gunk slowly degrades the >> shot character. We often do not realize it until we clean the machine. >> If you are leaving the machine on for that number of hours replace the >> PF gasket at least once a year. It will save you enormous grief. >> >> On Fri, Sep 19, 2008 at 2:47 PM, Ben McCafferty <[EMAIL PROTECTED]> wrote: >>> >>> With all the talk about cleaning lately, I decided today to do some >>> maintenance and see how bad things were. I first cleaned my Mazzer Mini >>> grinder, then proceeded to backflush the BII and to finally change my gasket >>> and clean my screen. Also flushed the steam boiler. >>> >>> The grinder was a pleasant surprise. I run Minute Rice through about once a >>> month, and today I took the top burr out. Everything in the machine smelled >>> fine, and no notes of rancidity. I brushed out the leftovers, and >>> reassembled it. I don't think I am very worried about this link in the >>> chain, but I could see where a little vacuum could be handy every now and >>> then. >>> >>> Now then, I shoot for backflushing with Cafiza about once a month, but I bet >>> my most recent flush was two months ago. I also have never changed the >>> screen or PF gasket, and machine is about 18 months old and stays on about >>> 12 hours a day. >>> >>> I first pulled the screen and gasket, so I could see what it looked like >>> before hand. Looking at the inside of the screen and the bottom of the >>> exposed group, the best word that comes to mind is "ick". I replaced the >>> screen and gasket, and did two full backflush routines with Cafiza, with >>> soaks under pressure a few times for a few minutes each. The inside of the >>> screen was almost clean, but still a lot of brown residue in there. I threw >>> it in a pitcher of Cafiza and let it soak for an hour. Meantime I used >>> Cafiza to scrub all the gunk down on the group, and flushed all that clean. >>> Finally I replaced the gasket with a new one and also a new screen. The >>> gasket is thinner, but too thin--even my Rancilio bottomless goes past 6 >>> o'clock with this one. The old one has a "9" on it, and I think I must have >>> bought 8 instead of 8.5mm thick. No worries, I don't really care where the >>> handle ends up as long as it seals. The old seal was so brittle that when I >>> squeezed it sideways, is broke in half in my hands. >>> >>> The last thing I did was to sacrifice the old screen for the sake of >>> science. I had let it soak in Cafiza for an hour and had scrubbed it >>> several times and rinsed well. I broke the spot welds apart so I could >>> separate the screen and chrome ring from the underlying metal, and it was >>> n-a-s-t-y. I'm thinking I may start replacing that every 3-6 months, but >>> we'll see. Whoever posted that they backflush with Cafiza every day is >>> starting to sound less insane to me. :) >>> >>> I have posted pictures of all this on Photobucket, here's the link: >>> >>> http://tinyurl.com/5xkgua >>> >>> If you click on any picture, there will be a description under it for what >>> stage of the process you're seeing. >>> >>> Needless to say, I am looking forward to my shot tomorrow. I imagine it >>> will be a pretty nice tasting shot...especially since I wasn't complaining >>> about my shots yesterday! >>> >>> I'm converted. Ok, ok Barry, I'll descale the damn thing. >>> >>> bmc >>> >>> "Faith will move mountains, but you'd better bring a shovel....." >>> >>> >>> >>> >>>> >>> >> >> > > > > > > >
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