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5.2 PRESSOSTAT / PUMP ADJUSTMENT
NOTE
This operation can be carried out while the machine
is turned on.
To adjust the service pressure of the boiler, thus regulat-
ing the water temperature, according to the various func-
tions and needs of the coffee desired, proceed as follows:
• remove the grid and the drip tray;
•
remo
ve the protective metal sheet by unscrewing
the two side screws as shown in the following
illustration;
•
Turn
the pump registration screw, turning it clock-
wise to INCREASE and counter clock wise to
DECREASE the pressure;
Advisable pressure: 9 bar
•
The set pump pressure is displayed in the pressure
gauge, inside the machine (see );
At the end of the adjustment process, refit the sheet
metal guard on the relevant housing and secure it in
place with the two side screws. Refit the drip tray and
the work surface grid.
A