6.11 Measuring flow rate
Insert adapter
(1)
from
below through the housing
opening for the coffee
outlet. Insert attachment
plate
(3)
instead of the
capsule holder from the
front and secure adapter.
Place pressure gauge
(2)
on the adapter connection.
3.
Tools:
►
Pressure gauge (mat. no.: 34 1045)
►
Adapter (mat. no.: 34 1047)
►
Attachment plate (mat. no.: 34 1048)
Procedure:
1.
Remove drip trays and capsule container.
2.
Pull coffee outlet
(1)
and capsule support
(2)
forwards and
remove
(3)
.
Place a measuring cup
under the outlet hose.
With a flow of
< 60 ml
the pump is defective or there is a leak
in the system.
Large fluctuations on the pressure gauge (+/- 4 bar) during the
measurement indicate a defective pump.
4.
5.
Switch on the machine.
6.
Fully open the valve on the
pressure gauge.
7.
Press “Large cup” button.
Close the valve on the
pressure gauge until 12 bar
is indicated.
8.
Always observe the pressure gauge and, if required,
regulate the pressure via the valve. As the temperature
rises, the pressure increases; if required, re-adjust the
pressure to 12 bar.
Conduct the measurement for approx.
30 sec.
9.
There must be at least
60–120 ml
of water in the measuring
cup.
10.
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