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Giotto P+ group seal dropping out and correct dosing.
Giotto P+ group seal dropping out and correct dosing.
Hi,
have noticed in my GPP that the group seal is occasionally dropping out if I dont have the portafilter in.
Does the rubber on these shrink or could it be another issue besides shrinkage/wear?
Machine seems to be working properly otherwise...
As an aside... do owners of this machine feel a small overdose works best for a double basket?
Im leveling off and tamping to 12 pounds and it seems to be a bit muddy on top of the puck yet there is a mark from the showerscreen.
Puck seems quite solid and I notice regularly that there is some channeling at the handle of the portafilter (always in the same spot though I have adjusted my filling with grinds to see if that was a cause).
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