Maintenance of La Marzocco espresso machine What can a barista do to make an espresso machine work better for you? 1. Daily maintenance. 2. Weekly maintenance. 3. Monthly maintenance. Daily Brush clean the grinder doser Daily Using the blind filter to do back-flushing Daily Filter basket cleaning Daily Portafilter cleaning by brushing Daily Brush clean the diffuser screen Daily Wipe clean the machine everyday Daily Verify espresso extraction time (25-30sec) Back-flushing Insert 1 teaspoon of puly caff Place portafilter with powder Remarks: Repeat the whole step for the next group head. Remember to flush the machine thoroughly. Press brewing button (15-20 sec) Make sure portafilter is secure. Stop and press again for 3 times. Weekly Verify powder dosage (2pulls=14grams) Weekly Internal cleaning of doser Weekly Internal cleaning of bean hopper Weekly Filter cleaning with detergent Weekly Shower cleaning with detergent (Puly Caff) 1. Remove diffuser for cleaning Weekly Shower cleaning with detergent (Puly Caff) 2. Diffuser screw is removed Weekly Shower cleaning with detergent (Puly Caff) 3. Diffuser screen is removed Weekly Shower cleaning with detergent (Puly Caff) 4. Everything is then soaked overnight in the Puly Caff solution Monthly (To be done by the technician) To check brewing water temperature 90˚C ± 2˚C To check brewing pressure at approximately 9 bar 6 months (To be done by the technician) To replace worn-out group gaskets Sample of un-cleaned machine Left: Note the partially blocked screen due to lack of cleaning. Clean & UnClean baskets and portafilter Right: Nice and clean. Optimum brewing for best result.