27
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Coffee pressure adjustment valve
The machine is delivered with the valve (
l
) set at 10 Bar. The end user can
adjust the valve (
l
) to increase or decrease the pressure.
1. Release the filter holder from the group.
2. Remove the filter from the filter-holder.
3. Insert the blind filter in the filter-holder.
4. Attach the filter holder to the coffee brew group.
5. Start the coffee brew group delivery to obtain the maximum pressure in the
circuit, shown on the the pump pressure 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 the
pressure and anticlockwise to decrease the pressure in the circuit.
8. Stop the delivery.
9. Start the delivery of the group and check the pressure adjustment shown
on the gauge (
i
).
10. Repeat the above operations until the required adjustment is achieved.
- +
Valve adjustment screw
It is advised to adjust the pressure within a maximum of 12 and a minimum of 9
Bar.
Summary of Contents for MILANO 0980
Page 32: ...32 Ita lia no En gli sh Fr an a is D eu tsc h 0985 AQUILA E AQUILA PID...
Page 44: ...44 Ita lia no En gli sh Fr an a is D eu tsc h 0992 QM67 2 BOILER PID...
Page 54: ...54 Ita lia no En gli sh Fr an a is D eu tsc h 0995 VETRANO 2 BOILER PID...
Page 61: ...61 Ita lia no En gli sh Fr an a is D eu tsc h 995 VETRANO DOSATA 2 BOILER PID...
