© by N&W GLOBAL VENDING S.p.A.
22
01-2016 4875 00
REGULATING THE BREWING CHAMBER
VOLUME
The brew unit can work with coffee doses between 5.5
and 7.5 gr by properly positioning the upper piston.
To vary the piston position, act as follows:
-extract the snap ring from the seat;
-place the piston into the corresponding seats:
less deep seats: doses from 5.5 to 6.5 gr.;
deeper seats: doses from 6.5 to 7.5 gr.
1
2
3
Fig. 20
1- Snap ring
2- Upper piston
3- Piston housing seats
GRINDING REGULATION
If it is necessary to change the grinding degree, properly
act on the corresponding grinder knob:
to grind
knob rotation
coarsely
counterclockwise (grinding wheels are mo-
ved farther)
finely*
clockwise (grinding wheels are moved closer)
*The finer the grinding degree, the longer the time re
-
quired to dispense the coffee and viceversa.
It is recommended to vary the grinding degree during the
operation of the coffee-grinder motor.
Please Note: after having changed the grinding
degree, make at least 2 selections to check the new
granulometry of ground products more carefully.
2
1
Fig. 21
1- Grinder
2- Grinding regulation knob
