Quick MILL MILANO 0980 Operating Instructions Manual page 37

Pump pressure adjustment valve
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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 (s) 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 using the delivery lever to obtain the
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maximum pressure in the circuit, shown on the gauge.
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6. Remove the cap to have access to the adjustment screw (s).
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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 delivery of the group and check the pressure adjustment shown on
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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
37
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