Clean the grinding system: Eureka Mignon Libra

Before you start

Tools

screwdriver, brush, dry cloth, vacuum cleaner or compressed air (optional)

Supplies

None listed

Warnings

• Always disconnect the power before any cleaning. Source: Eureka Mignon Libra user manual (model MS)
• Eureka's manual assigns cleaning and maintenance to personnel it has authorised; have a dealer do it if you are unsure. Source: Eureka Mignon Libra user manual (model MS)
• Use only food-approved products for any cleaning or sanitising. Source: Eureka Mignon Libra user manual (model MS)
• Use original spare parts only; no makeshift repairs. Source: Eureka Mignon Libra user manual (model MS)
• Take the portafilter off its fork before you start. Source: Eureka Mignon Libra user manual (model MS)

Steps

1. If beans are still in the hopper, close its tab first so none fall into the grinder. Optional

   From the manual: “press the tab (8) at the base of the coffee bean container (2) to close it”

2. Unplug the grinder, pulling on the plug rather than the cord.

   From the manual: “Disconnect the appliance from the power supply before carrying out any cleaning and maintenance operations.”

3. Undo the locking screw at the back and lift the bean hopper off.

   From the manual: “making sure the hole is aligned with the screw on the back of the appliance (16).”

4. Undo the screw on the lid and take the lid off.

   From the manual: “Then loosen the screw on the lid”

5. Undo the screws holding the upper burr holder and open it.

   From the manual: “the underlying screws that secure the upper grinder holder.”

6. Clean the burrs and the other internal parts with a brush or a dry cloth.

   From the manual: “Then clean the grinders and other internal parts with a brush or a dry cloth.”

7. Where needed, finish with a vacuum cleaner or a blast of compressed air. Optional

   From the manual: “If necessary, use a vacuum cleaner or a jet of compressed air.”

8. Refit the upper burr holder and the lid, then put the hopper back.

   From the manual: “After putting back the upper grinder holder and the lid, insert the hopper.”

9. Tighten the hopper locking screw.

   From the manual: “Screw in the locking screw (16) (Fig. 3).”

Sources

• Eureka Mignon Libra user manual (model MS) Manual

Researched on 2026-09-23.

Published: the sentence is on the maker’s own page or in the maker’s own document.

Applies to

• Eureka Mignon Libra