58300000111195_ARA_en_f.doc – 02.06.09
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4.6.2
Sequence of the brewing cycle
4.6.2.1
Grinding and metering
Coffee beans are ground in the grinding unit
(A)
. The ground coffee is
conveyed into the open brewing chamber via the funnel
(B)
. The
amount of ground coffee generated depends on the running time of
the grinding unit. The brewing unit can process from 7 g to 14 g of
ground coffee.
Alternatively ground coffee can be poured in via the powder slot.
4.6.2.2 Compression
The grinding unit stops. The gears control the brewing unit to the
upper end position. In doing so, the ground coffee is compressed in
the brewing chamber
(C)
. The pressure applied to the ground coffee
causes the spring-mounted brewing head
(D)
to move up. The more
powder there is in the brewing chamber, the higher the brewing head
is pushed upwards during compression. The actual amount of powder
is measured by a slide which is connected mechanically to the
brewing head and, if required, corrects the amount during the next
brewing process.
