Problem 10 - Water leaks from around the portafilter while
brewing.
Solution 1 - Replace the portafilter gaskets.
1. Using a stubby flat-tip
screwdriver, remove the
diffuser screw and set
aside.
2. The diffuser screen
should come off with the
screw. If it doesn’t gently pry
it off with the screwdriver.
3. Using an awl or gasket
pick. Pry the old gasket from
the groups bayonet clamp
ring.
4. Note the small bevel on one
side of the new gasket. The
beveled side goes up, the flat
side should face down.
5. Apply a thin film of food-
grade lube to the new gasket
and install it into the group.
Push the gasket into place with
the stubby flat-tip screwdriver.
6. Ensure the gasket is
fully seated by inserting a
portafilter into the bayonet
clamp ring.
7. Clean the diffuser screen, if
needed, and reinstallthe dif-
fuser screw and screen onto
the group head.
8. Tighten the diffuser
screw and check for
leaks.
