Gaggia Concetto - 14 - UNSCHEDULED MAINTENANCE; 14.1 Jamming of the coffee grinder unit

CONCETTO
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14 - UNSCHEDULED
MAINTENANCE
NOTE- Unscheduled maintenance includes every repairing or
part replacing. The Maintenance Technician is the
only person authorized to perform these operations.
14.1 Jamming of the coffee grinder
unit
• A foreign body among the coffee beans can cause the grinders
jamming and the subsequent machine block; the message
“GRINDER ERROR” will be displayed.
• In this case open the coffee grinder unit (20) and remove the
foreign body.
14.1.1 Grinder unit assembly/disassembly
• Close the bean hopper (H) bulkhead (A)
• Remove the screws (B) from the container using the appropriate
tool (C). Remove the container from the machine pulling
upwards.
F. 1 6
H
B
H
A
C
• Remove the coffee beans on the grinder’s top with a vacuum
cleaner.
• Remove the screws (D).
• Remove the gearwheel (E).
F. 1 7
F. 1 8
D
E
D
F. 1 9
F
• Unscrew and remove the adjustment ring nut (F) and clean
both grinders with a vacuum cleaner and a brush.
Check the grinder’s degree of wear. In case of manifest
damages, they must be replaced.