ShotPulled › Gear › Backflush (water)
Backflush the group with water: Slayer Single Group
Before you start
- Tools
- cleaning brush or towel, flat-head screwdriver, blind portafilter insert, portafilter
- Supplies
- None listed
Warnings
- Keep grounds out of the dispersion screw holes; they can damage parts inside the group. Source: Slayer Espresso Single Group user manual V7.1 (August 2022)
- Never brew or backflush until the dispersion screw and screen are back in place, or the group can clog. Source: Slayer Espresso Single Group user manual V7.1 (August 2022)
- A water-only backflush is safe with Teflon-coated dispersion screens fitted. Source: Slayer Espresso Single Group user manual V7.1 (August 2022)
- On a Teflon-coated screen, never scrub with anything coarse, even a plastic brush. Source: Slayer Espresso Single Group user manual V7.1 (August 2022)
Steps
- Scrub the portafilter gasket with a cleaning brush or towel to loosen oil and grounds.
From the manual: “Use a cleaning brush or towel to scrub the portafilter gasket and loosen oil and coffee grounds.”
- Take out the dispersion screw and screen with a flat-head screwdriver and rinse them in clean water.
From the manual: “Remove the dispersion screw and screen with a flat-head screwdriver and rinse with clean water.”
- Wipe the face and sides of the dispersion block, and the portafilter body, with a clean damp towel.
From the manual: “wipe oil and grounds from the face and sides of the dispersion block, as well as the portafilter body.”
- Refit the clean dispersion screw and screen.
From the manual: “Return the clean dispersion screw and screen to the grouphead.”
- Swap the portafilter basket for the blind insert and lock it into the group.
From the manual: “Replace portafilter basket with blind insert and lock in grouphead.”
- Press the round touch sensor near the middle of the screen to open the menu.
From the manual: “Press the round touch sensor near the center of the screen to activate the menu.”
- Swipe from left to right until 'Group Cleaning' comes into view.
From the manual: “Swipe from left to right until the “Group Cleaning” setting comes into view.”
- Press the round sensor to start: after a 5-second countdown the program runs, counting down from 150.
From the manual: “Press the round touch sensor to activate cleaning program.”
- When the screen prompts, take the portafilter out and press the sensor; the group rinses itself for 15 seconds.
From the manual: “The group will begin rinsing automatically and a timer will appear, counting down from “15”.”
- At the next prompt, remove the portafilter again and press the sensor to continue.
From the manual: “Follow prompt on screen, removing portafilter from grouphead and pressing the round touch sensor to continue.”
- Take the blind insert out and wipe the portafilter body with a clean damp towel.
From the manual: “Remove blind insert from portafilter and use a clean, damp towel to wipe oil and grounds from portafilter body.”
- Rinse the portafilter with hot water, refit the basket and lock it into the group.
From the manual: “Thoroughly rinse portafilter with hot water, insert basket, and lock in grouphead.”
Sources
Researched on .
Published: the sentence is on the maker’s own page or in the maker’s own document.