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Coffee pressure adjustment valve
The machine is delivered with the coffee pressure valve (l) set at 10 Bar. The end
user can adjust the valve to increase or decrease the pressure.
1. Release the group filter holder.
2. Remove the filter from the filter holder.
3. Insert the blind filter in the filter holder.
4. Secure the filter holder to the coffee brew group.
5. Start the coffee brew group delivery to reach the maximum pressure in the
circuit, shown on the gauge (i).
6. Remove the cup warmer plate to have access to the adjustment screw (l).
7. Act on the valve adjustment screw, turning it clockwise to increase and
anticlockwise to decrease the pressure in the circuit.
8. Stop the delivery.
9. Start the group delivery and check the pressure adjustment shown on the
gauge (i).
10. Repeat the above operations until the required adjustment is obtained.
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Valve adjustment screw
It is advised to adjust the pressure between a maximum of 12 and a minimum of
9 Bar.
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