La Marzocco linea mini Bedienungsanleitung Seite 12

8) Adjusting water pump pressure.
The water pump is factory set at 9 bar
pressure. If it becomes necessary to
change the pressure please use the
following procedure:
1. Remove the top tray and the lower tray.
2. Locate the water pump adjustment
screw and loosen the lock nut.
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3. Adjust the water pump pressure to the
desired measurement.
4. Rotate clockwise to increase pressure
and counter-clockwise to
pressure.
Figure 3 - Water Pump Pressure Adjustment
NOTE:
The water pump pressure should be
adjusted when the machine is operating
and coffee is present in the portafilter.
reduce
Adjustment
Lock nut
screw