[Homeroast] Rocky Burrs

Larry Dorman ldorman at gmail.com
Sun Apr 21 00:01:37 CDT 2013

By the way...  the problem that I'm having is that right about the time
that the pressure is supposed to increase to 9 bars it instead stops about
4.5 and just stars pouring out liquid.  I'm not seeing obvious channeling,
but that's surely what must be happening for it to come out so fast.
Again, the only change from when I was getting perfect behavior to now was
changing the burrs on the grinder.

As I've set the zero point it's impossible to have the top and bottom burrs
touch because of the set screw.  However, they are so close as I have zero
set that I can't imagine that being the problem.  Regardless, I'm thinking
about turning the hopper a third of a turn so that I can even make them
touch if I choose.

I really don't get it...  visually they seem proper.


On Sat, Apr 20, 2013 at 11:02 PM, Larry Dorman <ldorman at gmail.com> wrote:

> So... Friday the new burrs for my Rocky came in from Espresso Parts.  Yay!
> Since that time, I can't get a good shot to save my life.  Boo!
> I'm using the same espresso machine (Quickmill Andreja Premium), tamper,
> process, etc. that I've been using for a little over a year.  I'm also
> using the same batch of beans that I've had zero problems with prior to
> changing the burrs.
> I've tried grinder finer (all the way to what I have set as zero) and
> coarser (up to 5).  I've tried tamping lighter and harder.  I've tried
> filling the basket (a double) more and less full.
> I'm stumped.  This is good ol' fashioned Monkey Blend which I have tons of
> experience.
> I've taken my Rocky apart before for thorough cleanings, so I'm familiar
> with how to set zero.
> Any ideas?  I just took the brass carrier out, did another cleaning, and
> reset to zero just in case I had a brain fart Friday.
> Thanks for any thoughts...
> LarryD

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