Quick MILL MILANO 0980 Operating Instructions Manual page 67

Pump pressure adjustment
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The machine is delivered with the valve set at 10 Bar. The end user can adjust
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the valve (v) to increase or decrease the pressure.
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1. Release the filter holder from the group.
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2. Remove the filter from the filter-holder.
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3. Insert the blind filter in the filter-holder.
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h 4. Attach the filter holder to the coffee brew group.
5. Start the coffee brew group delivery to obtain the maximum pressure in the
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circuit, shown on the gauge.
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6. Remove the cap to have access to the adjustment screw.
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7. Act on the valve adjustment screw, turning it clockwise to increase the
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pressure and anticlockwise to decrease the pressure in the circuit.
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8. Stop the delivery.
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9. Start the delivery of the group and check the pressure adjustment shown
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on the gauge.
10. Repeat the above operations until the required adjustment is achieved
It is advised to adjust the pressure within a maximum of 12 and a minimum of 9
Bar.
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Valve adjustment screw
The machine is delivered with the pump regulated at 9 Bar to
function taking water from the tank. If connected to the
mains water supply, the pump regulation will be higher and
has to be set according to the pressure of the the water
supply network.
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