Avviso: Stai modificando una guida prerequisita. Tutte le modifiche avranno effetto sulla guida che include questo passo.
Traduzione in corso passo 7
I don't know how this piece is named. It can easy pulled up like shown on the photos.
There is a small metal ring. The screwdriver points at it. Lift it up.
On the other side the same procedure.
In the brew group are totally FOUR metal rings. One is at this part on each side, and one is inside the mechanic on each side.