NERO / NERO INSTANT
Page 36
Version 1.4 / January 2018
ТМ
5.9 Espresso group (not-INSTANT)
The espresso group is used to make coffee using ground beans (see fig.5.12).
1. Hot water inlet from the boiler
2. Ground coffee feed into the coffee maker
3. Reducer-motor of espresso group
4. Path for discharging coffee waste
5. Output pipe for ready drink
6. Fixture for removal/installation of espresso group
The working mechanism of the espresso group:
•
Initially the espresso group is in open position
• The ground coffee enters the inlet (2), after which the reducer-mo
-
tor closes the espresso group, pressing the coffee powder
• Hot water, from the boiler, is passed through the pressed coffee
• After passing the set amount of water, the reducer-motor opens up
the espresso group, emptying the coffee waste through the waste
path (4) into the waste container
• The hot water, which passes through the pressed coffee, further
goes through the dispensing nozzle into the cup.
Fig.5.12
Removing the espresso group:
1. Disconnect the hot water supply pipe, unclamping the fixator (see fig.5.13а)
2. Disconnect the ready drink dispensing pipe together with the nozzle from the holder, lifting the spring
used to fix the pipe (see fig.5.13b)
3. Turn the espresso group fixation screw counter clockwise (see fig.5.13c pos.1)
4. Lift the right lower end of the espresso group (2) then pull it out (3) (see fig.5.13c)
5. Remove the espresso group (see fig.5.13d)
To install the espresso group carry-out the above mentioned actions in reverse sequence.
Fig.5.13
А
B
C
D
1
2
3
