- Repeat steps 19 - 22 to
establish the optimum upper
burr carrier position. Once
established, place/keep the
upper burr carrier in the
optimum position. If you have
zeroed your Niche Duo with
the espresso burr set installed,
use one of the provided silver
stickers to mark the optimum
upper burr carrier position.
Tighten the thumb screw on
the underside of the bean
hopper. Reseat the bean
hopper and screw clockwise
until lightly hand tight and
then rotate anticlockwise to
your desired setting on the
grind dial.