Nuova Simonelli Microbar II Service Manual page 80

9.4
PUMP PRESSURE SETTING
Whenever the pump is replaced or special mainte-
nance is required, check the pump pressure.
1 Open the door turning the key anticlockwise.
2 Remove the coffee grounds drawer and the drip
tray.
3 Unhook the water supply pipe by pressing the
fixing ring with a finger or using a flat head
screw driver.
4 Put only the grounds drawer in its position to
close the circuit of the sensor for "drawer out"
alarm.
5 Connect a 4 mm Teflon pipe to a manometer.
6 If grounds drawer is well placed and display
shows SELECT PRODUCT, press
the Decaf powder and than Espresso
this way it will be possible to measure the pump
pressure and adjust it by rotating the screw.
7 Turn the nut clockwise to increase the pressure
and counter clockwise to decrease it. Suggested
pressure is 9 bar.
9.6
SERVICE MANUAL
to emulate
key. In
1
2
3
Edition 00 to 01/2018