Nuova Simonelli Microbar II Service Manual page 51

5 Unscrew the 4 philip screws and remove the
container from the top.
5.2
GRINDER CHANGING
To change the grinders, the engineer needs to:
1 Remove (suction) the coffee beans to the grinder.
2 Loose the adjustment worm screw that adjusts
grinding fineness using the Phillips screwdriver,
and then to slide the regulator from the top.
3 Loose the top ring nut on the grinder.
4 Clean the seating to remove any coffee deposits.
5 Disassemble the grinders using a Flathead
screwdriver.
Edition 00 to 01/2018
SERVICE MANUAL
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5.3