Nuova Simonelli Master coffee 1 Manuel D'instructions page 34

ADJUSTMENTS TO BE MADE BY A QUALIFIED TECHNICIAN
gauge (fig. 6)
Having read and fully understood the safety
instructions in this handbook.
There is a double-scale pressure gauge inside
the machine, which measures the boiler pressure
(0-2,5 bars) and the volumetric pump pressure (0-
15 bars) (Fig. 6).
pressostat (fig.8)
Pressostat adjustment
(boiler temperature)
To increase or reduce pressure (therefore the
corresponding temperature), the qualified techni-
cian must:
- remove the top cup-holder plate
- turn the adjusting screw (Fig. 8) clockwise to
decrease and counter-clockwise to increase.
recommended value 0,8-1,4 bars
30
grinding (fig.9)
Grinding adjustment
- switch off the machine using the PLUG key
.
The following operation must be carried out
with dry hands.
- Open the control door to gain access to the
grinding adjusting ring nut (Fig. 9). Following
the direction of the arrows, grinding of the cof-
fee beans can be adjusted to more coarse
(counter-clockwise) or finer (clockwise).
Close the door again.
Foam adjustment for Cappuccino
Turn the adjusting screw indicated by arrow in
order to adjust the type of the foam for cappucci-
no.
pump (fig.7)
Pump adjustment
To adjust the pump the qualified technician must:
- pull out the coffee-grounds box
- loosen the adjusting screw until the screw lock
nut is freed (Fig. 7)
- increase (turn clockwise) or decrease (turn
counter-clockwise) the pump pressure; recom-
mended values 7-9 bars
- tighten the lock nut.
(fig. 7)
Freezer's temperature adjustment
(Master Cappuccino version)
To reach the adjustment's thermostat remove the
drip tray and the container. Turn the grip clockwi-
se to lower the temperature, anticlockwise to
increase it. A temperature between 4 and 7 °C is
advisable.
The temperature is shown by the thermometer on
the frontal part of the machine.