New Gasket- bad results

Beginner and pro baristas share tips and tricks.
ventura

#1: Post by ventura »

:( Since the dealer tech changed the Gasket on my Rocket Appartamento- it's performance is a disaster... water squirting outside the Portafilter- no matter what grain I use !!??
No more nice honey colored thick espresso...I tried different combinations: Finer grain with less coffee ( 7 gr.). Thicker grain with more coffee ( 8.5gr.)- I can't find the proper combination anymore...!? :(

Nunas
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#2: Post by Nunas »

Drop the shower screen & gasket. I bet he inadvertently installed the gasket upsidedown. The chamfered edge goes up into the group and the basket sits on the flat side of the gasket. When you reinstall, lube the gasket with a bit of 111 or plumbers grease.

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myke2241

#3: Post by myke2241 » replying to Nunas »

Yep, just my thought