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Replace the E61 group gasket and shower screen: Quick Mill LUCCA X58 and ACS Vesuvius

Before you start

Applies when
E61 group, where the group gasket holds the shower screen in by tension (no centre screw)
Tools
flat-head screwdriver, Pallo (group) brush, towel or rag, portafilter with the basket removed
Supplies
E61 group gasket (sized for the machine (thickness varies)); E61 shower screen (when replacing the screen), optional; food-safe lubricant (e.g. Molykote 111) (thin film on the gasket); Biocaf cleaning powder (optional soak) (1 scoop in a glass of water, 15 minutes), optional

Warnings

Steps

  1. Lever the shower screen and gasket out together with a flat-head screwdriver, using the rim of the group as the pivot.

    From the manual: “you’ll need a flathead screwdriver to pry out the shower screen and gasket”

  2. Loosen the baked-on grounds inside the group with a warm, wet rag, scrub with a group brush, then wipe out what came loose.

    From the manual: “we recommend a warm, wet rag and a Pallo brush”

  3. If the machine has a removable dispersion plate behind the screen, take it out and clean it too. Optional

    From the manual: “Some machines have an internal dispersion plate that is removable”

  4. To clean the old screen instead of replacing it, soak it with the portafilter for 15 minutes in water with a scoop of Biocaf. Optional

    From the manual: “Dropping your portafilter and shower screen into a glass of water with 1 scoop of Biocaf for 15 minutes”

  5. Use a new screen when it is due (the source suggests every one to two years). Only when: shower screen replacement

    From the manual: “we recommend replacing the screen entirely on your machine”

  6. Coat the new gasket lightly with food-safe lubricant.

    From the manual: “we recommend using a food-safe lubricant, such as Molykote 111, on the gasket”

  7. Put the screen and new gasket back the way they came out, easing the gasket up with the screwdriver.

    From the manual: “Use a screwdriver to push the gasket back into place gently.”

  8. Lock in a portafilter with its basket taken out to push the gasket fully home.

    From the manual: “remove the basket from your portafilter and use that to ensure the gasket is fully seated”

Sources

Researched on .

Community: the maker’s text, hosted somewhere else, usually by a retailer.

Applies to