Nice one mate! Youll find plenty of helpful advice around these parts

I had similar quirks with the first few shots. If it happens in future make sure the group head seal is perfectly clean, I find that unless I wipe around the sides of the seal after each shot some coffee grinds end up stuck there and prevent the group from sealing. Youll notice the seal softening/wearing in somewhat over the next week or so; itll seal better and the portafilter will twist in further past the perpendicular.
If you havent done so already, its a good idea to get rid of the plastic liner in the portafilter: http://coffeesnobs.com.au/YaBB.pl?num=1167134124
Its easiest if you twist off the spout and pop the insert out from beneath...
Have fun!


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