La Marzocco GS3 maintenance: what the manual says

“Insert the blind filter into portafilter and put the correct amount of espresso cleaning product (following the product’s instructions) into the filter, engage the portafilter into the group you want to clean.”

“With daily cleaning of the stainless steel filters and portafilters it is sufficient to clean them with water and a cloth or appropriate brush.”

“Yearly, we recommend to fully drain the steam boiler by means of the specific drain cock located on the side of the boiler or under the boiler.”

“Weekly • Water Reservoir • Drain Box”

“Turn off the machine and remove the diffuser screen by unscrewing the diffuser screw.”

“Steam nozzles must be cleaned immediately after use with a damp cloth and by producing a short burst of steam so as to prevent the formation of deposits inside the nozzles themselves, which may alter the flavor of other drinks to be heated.”

“If milk residue is present on the steam wand, soak the tip in a container of hot water, then it will be possible to wipe the tip clean.”

“Weekly • Water Reservoir • Drain Box”

“Check the condition of the inside of boilers and if necessary rinse out with a proper cleaning product allowed for food and beverage appliances.”

“Replace group gaskets”

“The following maintenance and check-up operations sould be carried out by a qualified technician.”

“Replace diffuser screens”