Clean the group head by hand with cleaning powder: WPM KD-330

Before you start

Tools

brush, cleaning disc (supplied), group handle (portafilter)

Supplies

espresso machine cleaning powder ("appropriate amount"; no product or dose named)

Steps

1. Brush the group's cover gasket clean.

   From the manual: “Using a brush, clean the cover gasket.”

2. Fit the cleaning disc into the group handle.

   From the manual: “Insert the cleaning disc into the group handle.”

3. Add a suitable dose of cleaning powder.

   From the manual: “Put in the appropriate amount of cleaning powder.”

4. Lock the handle into the group head and run the rinse cycle.

   From the manual: “Attach the group handle to the group head. Execute the rinse cycle with water.”

5. Take the handle off and run the rinse cycle again with water for about 30 seconds.

   From the manual: “Remove the group handle, execute the rinse cycle with water for about 30 seconds.”

Sources

• WPM KD-330 / KD-330J series instruction manual (EN) 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

• WPM KD-330