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Expobar Office Control Manual

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7
7. CLEANING THE BREWING COMPONENETS
Keeping all of the brewing components clean is very important. The brewing components include the
shower screen, three-way valve, portafilter handle, and filter basket.
To Clean the Portafilter and Filter Baskets
1. Using a large container, mix 2 level teaspoons of espresso machine cleaner into one quart of very
hot water. Do not fill all the way to the top, as there will be some foaming action.
2. Separate the coffee filter baskets from the portafilter and soak them all in solution for 10
minutes.
3. Rinse well in fresh, hot running water before putting the filter baskets back into the portafilter.
4. Brew and discard a single espresso.
Backflush the Brew Group As Follows:
1. Heat the machine to operating temperature.
2. Take the filter basket out of the portafilter and replace it with a “blind” filter basket or rubber
backflush disc.
3. Pour 1 level teaspoon of espresso machine cleaner into the basket and insert the portafilter into
the machine as if brewing espresso.
4. Start the brewing cycle and allow the machine to run for 15 seconds to dissolve the cleaner.
5. Stop the brewing cycle and wait 10 seconds.
6. Start and stop the brewing cycle 5 additional times, running for 5 seconds and stopping for 10
seconds.
7. Remove the portafilter, turn the brew cycle on and rinse the portafilter well by holding it under
the stream of water from the brew group. Turn off the brew cycle after rinsing.
8. Re-insert the portafilter into the brew group. Start and stop the brewing cycle at least 10 times,
running for 5 seconds and stopping for 1 second. This will ensure complete rinsing. Remove the
blind filter or backflush disc and replace it with the regular filter basket.
9. Brew and discard a single espresso. The backflush procedure is now complete.
USING THE PROGRAMMED BACKFLUSH MODE: (CONTROL MODEL
ONLY):
The programmed backflush mode will turn the pump on and off by itself to do the backflushing. The
following is the procedure for doing it.
1. Heat the machine to operating temperature.
2. Take the filter basket out of the portafilter and replace it with a “blind” filter basket or rubber
backflush disc.
3. Pour 1 level teaspoon of espresso machine cleaner into the basket and insert the portafilter into
the machine as if brewing espresso
4. Turn the machine off for 60 seconds.
5. Press and hold the “short-double” button and then turn on the main power switch.
6. The self-cleaning process will start and run automatically. The pump will turn on and off by
itself 5 times and the two lights on the display will flash. Do not remove the handle during the
cleaning process.
7. When the two lights stop flashing, the backflush cycle is complete.
8. When the cleaning process is finished, remove the portafilter, turn the brew cycle on and rinse
the portafilter well by holding it under the stream of water from the brew group. Turn off the
brew cycle after rinsing.
9. Re-insert the portafilter into the brew group. Start and stop the brewing cycle at least 10 times,
running for 5 seconds and stopping for 1 second. This will ensure complete rinsing. Remove the
blind filter or backflush disc and replace it with the regular filter basket.
10. Brew and discard a single espresso. The backflush procedure is now complete
… 7 …


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