group pulling slowly

jmeiss

New member
Dec 5, 2005
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Lenexa, Kansas
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one of our group heads pulls shots slower than the others... it takes a good 8 seconds to see espresso coming out of the portafilter, while the other group heads take only a second or two. I am assuming that it has something to do with the amount of pressure the group head is pushing through the portafilter....

ideas?
 
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