Greetings all.
New user to the forums and have a quick question.
I recently purchased a Breville 840 Infuser. Got in on a great deal on Amazon and got the unit for 335.00 brand new. I've been trying to dial in the machine with my Baratza Encore. The first couple shots were a little over extracted according to the pressure gauge on the unit. Had to use a light tamp in order to get them decent. I was doing some research and noticed that many users with BES900 took out the plastic disc that is in the portafilter. My 840's portafilter had the same plastic disc.
I removed the disc, and now, with the same grind, the shots are severely under extracted. The coffee seems to pour out of the filter very fast and the gauge barely move while extracting. Even after giving the coffee a very firm tamp, it still comes out very fast.
My question is, what is the plastic disc in the portafilter there for? Is it to make the filter a pressurized one?
New user to the forums and have a quick question.
I recently purchased a Breville 840 Infuser. Got in on a great deal on Amazon and got the unit for 335.00 brand new. I've been trying to dial in the machine with my Baratza Encore. The first couple shots were a little over extracted according to the pressure gauge on the unit. Had to use a light tamp in order to get them decent. I was doing some research and noticed that many users with BES900 took out the plastic disc that is in the portafilter. My 840's portafilter had the same plastic disc.
I removed the disc, and now, with the same grind, the shots are severely under extracted. The coffee seems to pour out of the filter very fast and the gauge barely move while extracting. Even after giving the coffee a very firm tamp, it still comes out very fast.
My question is, what is the plastic disc in the portafilter there for? Is it to make the filter a pressurized one?

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