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oils and particles from the group. Some
also flush just after brewing coffee for
the same reason. Please experiment to
find the best possible procedure for you.
7) Controlling the brew process using
volumetric programming (AV model
only)
This espresso machine allows the
volumetric programming of each of
the first two buttons on each group
(numbered left to right). Please consult
the Software Programming Manual for
further instructions.
8) General notes for coffee preparation
The portafilters must remain heated
since they are at the lowest position of
the group itself, and they are partially
isolated due to the rubber gasket
between them. This can be accomplished
by leaving the portafilters installed
in the machine when not in use. The
portafilters may also be actively heated.
This procedure may be carried out by
brewing some hot water through the
portafilter then turning off the water
flow, before making coffee.
It is important to remember that coffee
left over in the filters must be removed
only when you need to prepare another
cup, and only at that time should you
place a new dose of ground coffee in the
filter.
The size of the coffee granules is
extremely important in preparing a good
cup of coffee, other than the type of
coffee mix used, quite obviously. The
ideal grinding can be determined by
making various coffees using the amount
of ground coffee that you would normally
use for each cup (we recommend at least
6-7g). The best grinding is that which
allows coffee to flow out from the filter
holder spouts neither too slowly (drop by
drop) nor too quickly (quick light brown
flow). A general rule is that a double dose
should dispense approximately 25cc or 2
fluid oz. of espresso in approximately 25
seconds.
IMPORTANT
To improve the flavor of the espresso,
the temperature of the water in the
coffee boiler and therefore of the groups
may eventually be raised or lowered
via the digital display (please consult
the Software Programming Manual for
detailed instructions).
WARNING
NEVER REMOVE THE FILTER HOLDER WHEN
WATER IS BEING DELIVERED. THIS OPERA-
TION CAN BE EXTREMELY DANGEROUS SINCE
THE HIGH PRESSURE BUILT-UP INSIDE THE
BLIND FILTER WOULD SPRAY OUT HOT AND
SLIGHTLY CAUSTIC WATER, WHICH MAY
CAUSE SEVERE BURNS.
THE COFFEE BOILER CONTAINS WATER AT
ELEVATED TEMPERATURE.
WATER TEMPERATURE OVER 125°F / 52°C CAN
CAUSE SEVERE BURNS INSTANTLY OR DEATH
FROM SCALDING.
Summary of Contents for Linea PB
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