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Cleaning and Maintenance
As with all fine tools, the Vibiemme Double Domobar can give you years of trouble-free service and bet-
ter performance if properly maintained. Your DD does require a bit of care, but it is not at all difficult.
Although the following guidelines will give you some idea of how often the tasks should be performed,
there is no specific set of rules concerning the frequency of various cleaning and maintenance chores. A
machine that is being used to make two or three drinks each day in a home environment will not need to be
cleaned as often as a machine in an office of a dozen or more people where it is called upon to make fifty
drinks a day. If in doubt, it is better to do most cleaning and maintenance chores a little too often than not
often enough.
After Each Pull
Knock Puck - After each pull is completed, the spent coffee puck in the portafilter should be knocked out.
The best way is to use a knock box. These feature a cushioned bar that protects the portafilter from damage
and quiets the banging sound.
Quick Flush - As soon as you remove the portafilter from the brewhead after a pull, cycle the brew func-
tion for about one second. This will help flush out any stray coffee grounds on or behind the shower screen.
Flush The Portafilter - If you are not immediately going to pull another shot, use the water of the quick
flush (when the water becomes clear) to wash the remaining grounds out of the portafilter. Wipe dry with a
towel, and lock the portafilter back into the group. It is best to leave the portafilter in the group to keep the
portafilter heated.
After Each Stretching of Milk
The steam wand must be wiped off immediately after every use with a damp towel or dish rag after re-
moving the milk pitcher from under the wand. As soon as the wand is wiped clean, the steam valve should be
briefly opened to create a blast of steam to force out the remaining milk that may be in the wand. Allowing
milk to sit on (or in) the wand will cause the milk to bake onto the hot metal. This is not only unsanitary but
can also become very difficult to remove. If you do have baked on milk we do not recommend soaking the
wand in a pitcher. This can cause dirty water to be drawn into the wand and under certain conditions, possibly
into the boiler. Difficult-to-remove milk can be cleaned using a product specially formulated for this task.
WARNING: The steam wand can be very hot. Avoid touching the wand
directly and use caution when wiping the wand. The heat can cause the
water on the rag to turn to steam which can cause a burn.
If necessary, the steam wand’s tip can be removed by unscrewing it so
that it can be soaked for further cleaning. Use care not to lose or damage the
sealing 0-ring or the diffusing washer (if so equipped).
After Each Session
Brewhead - The area where the portafilter locks into place gets ex-
posed to a lot of coffee and must be kept clean. Coffee residue left here will not only degrade performance
over time but can also detrimentally affect the taste of the coffee.
At the end of each session use the brewhead brush which was included with your Vibiemme Double
Domobar to clean the screen as well as to give the area in which the brewhead gasket resides a scrubbing.
Portafilter - At the end of each session the portafilter should be rinsed under hot, running water and dried
off before storage. While it should be left in place on the brewhead during use, if the machine is being turned
off, the portafilter can be stored elsewhere so that the moisture can evaporate from the brewhead. Otherwise
it can stagnate in there.
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