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Originally posted by greglepore
What machine? There's nothing inside to tweek, although there are easily replaceable parts if they break. On some machines you can get different temp thermostats (expressoparts.com) but really no need. Two thermoswitches, a vibratory pump, a thermofuse, and some wiring and a steam valve
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Krups Gusto. I guess if there's nothing inside, I won't bother. Thanks for the heads-up.
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If you sprayed coffee, you either didn't have the pf seated tightly, opened it too early after brewing or had the button engaged too long-you need to tr it off aft 5-10 seconds then begin your pull. May not be necesssary if you're already in high 180's-190. It could also be that your machine uses a thermoblock rather than a small boiler; these heat/cool more rapidly and hold less water, which is why they're undesireable.
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I'm pulling 145-150 normally. I think I left the "make steam" switch on too long, and probably also tamped the grounds too far.
How would I know if I had a thermo-block instead of a small boiler? The system is horribly simple, though totally unlike my first machine. My first machine had a little bitty pressure chamber that you'd unscrew and fill with water, then heat. This machine has a removable reservoir and a pump. I'm guessing my first was a "boiler"-type, and this one is a "thermo-block?"
Oh, well.
Dan