La Marzoco GS/3 Owner's Manual - page 12
Cleaning (Monthly)
Draining Boilers. Both the coffee boiler and the steam
boiler may be drained and refi lled to reduce the chance
of mineral deposits build up on the inside walls of the
inside surfaces. Additionally this draining process can
be used to remove water that has a bad odor or taste.
Drain the Steam Boiler. Remove the left side panel
assembly. Locate the ball valve on the bottom left side
of the machine. Hold the ball valve with one tool and
remove the brass cap on the end of the valve. Move the
espresso machine close to a waste drain and tip machine
at an angle to point the valve into the waste drain.
Drain the coffee boiler. loosen the expansion valve
until water begins to fl ow freely. Then remove the group
cap cover and loosen the bleed screw. When fi nished
draining empty the drain box assembly
Clean the water reservoir. The water reservoir needs
to be cleaned periodically to ensure that no algae forms
on the inside surfaces. To clean fi rst remove the water
reservoir form the machine. Disconnect the clear plastic
water intake hose. Unscrew all screws from the cover
to separate the parts. Wash all parts with warm soapy
water. All parts are machine washable.
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English
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La Marzocco, S.r.l. Firenze, Italia
Preventative Maintenance and Cleaning
Version 1.00