Ariston MCA 16 Service Manual download pdf (Page 11)

OPERATION

Service Manual

P0055 Coffee Machine - 2006

Edition

2006.08.28

Language

English

SBS valve functional check

To check the correct operation of the SBS valve

make a lungo coffee and, while it is being prepared,

check the difference in the rate of delivery from the

maximum to the minimum positions.

The difference in delivery rate is approx. 2.5 times

(and therefore VERY obvious!!).

Knob in MAX position Knob in MED position Knob in MIN position

-> Coffee dispensing -> Coffee dispensing -> Coffee dispensing

fast medium slow

-> Efﬁ cient coffee extraction -> Efﬁ cient coffee extraction -> Efﬁ cient coffee extraction

-> Medium counterpressure -> Medium-high counterpressure -> High counterpressure

(Light coffee) (Medium-strong coffee) (Strong coffee)

CREME COFFEE ESPRESSO RISTRETTO

SBS SBS SBS

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 42 43

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Ariston MCA 16 Service Manual Page 11