ORIGINAL INSTRUCTIONS | QUALITY PROCESS REF. | V. 09|10|2020 | K07185
33
12. MAINTENANCE
Fig. 8
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Clean the inside of the grinding cavity with
a brush or vacuum cleaner and remove all
coffee residue as well as the lubricant from
the threads of the upper burr holder and
the grinding cavity.
Position the extraction worm screw by
loosening it through the upper part of the
lower holder and t the burr holder.
IT IS VERY IMPORTANT TO MAKE SURE
THAT THE EXTRACTOR WORM SCREW
DOES NOT PROTRUDE FROM THE
BOTTOM.
Tighten the screw with an H6 Allen key.
Renew the food grade lubricant of the
threads of the upper burr holder and of the
grinding cavity. Insert the
upper burr holder, turning it counter-
clockwise until the upper and lower burrs
touch each other and it cannot be turned
any further.
Fit the worm screw with an H3 Allen key.
Tighten the crown wheel stop on the crown
wheel by tightening it at the top with an
H1.5 Allen key.
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