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10-04-2009, 08:55 PM | #1 |
crazy diamond
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whistling brewgroup
I'm just wondering if anyone experiences a high pitched whistle when pulling shots from their machine?
I tend to pack my portafilter pretty tight and grind fine in order to keep my shots about 25 seconds long on the extraction. I've sorta figured out a system to give me a 25 second pull and yield about 2 ozs, Anyway, I seem to also get a whistle, more often than not, once the pump starts and occasionally even get a little squirt from the top, regardless of how tight the pf is on. I'm guessing it's not a huge deal but am wondering if it might be overworking the pump? I'm also wondering if I might be overthinking the 25 second rule and should ease up a little on the tamp and dose......
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