Quickmill 05000A automatic expresso brewing group revision

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Open the front cover

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Pull off the two black protective caps above the mechanism at the top and bottom.

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The upper piston is attached to the drive with a splint.

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The upper piston is generally not as dirty as the lower one, as the fresh water flows in here.

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The lower piston is secured with a cotter pin. Pull it out with pliers.

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The lower plunger has coffee flowing through it and is therefore more contaminated. Loosen the Phillips screw, then it will break into three parts: strainer, shaft and piston with chamber.