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10. MAINTENANcE
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Clean the steam wand after every use, so as to prevent scale deposits from obstructing the steam
outlet points.
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Empty and clean the coffee filters every evening; remove the filter and brush the inside with a suita-
ble brush; soak the filters in hot water in order to dissolve coffee greases.
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Remove coffee residues from the drip tray, otherwise it could get clogged.
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Use the relevant blind filter supplied with the machine to wash the coffee spout with a special deter-
gent (obtainable from our repair centre points).
Proceed as follows:
1- Insert the blind filter in the the filter holder and add the amount of detergent indicated on the pack.
2- Insert the filter holder into the group head.
3- Start brew cycle for 10 seconds and stop for 10 seconds. Repeat this operation for 5 times.
4- Remove the filter holder from group head. Start brew cycle and rinse the filter holder with the
boiling water from group head.
Stop cycle.
5- Insert the filter holder into group head and repeat step 3 to rinse without detergent.
6- Replace the blind filter in the filter holder with the correct filter and make and discard an espresso.
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Clean the external parts of the machine with a damp cloth. Never use detergents or abrasive sub-
stances. Also for the interior hydraulic circuits must avoid to use aggressive and/or abrasive substanc-
es. Do not use jets of water to clean the machine.
◆
To clean the filter holder and the filters, leave them to soak for at least 30 minutes in a solution of
hot water and detergent prepared in a plastic or stainless steel container. Rinse them with clean water.
Summary of Contents for Tecnica Four Group
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