La Marzocco Coffee Machine Linae AV 3G

Acknowledge the following warnings before proceeding

Cleaning Groups and Drain Wells

Insert the blind filter into portafilter and add espresso cleaning product

Engage the portafilter into the group to be cleaned

Press the brewing button for 15-20 seconds

Start and stop the group until clear water is released

Rinse the group using a normal filter in the portafilter

Cleaning Filters and Filter Holders

Gather necessary tools and materials

Ensure the machine is turned off and cooled down

Remove the diffuser screen carefully

Prepare a solution with espresso detergent powder

Soak the diffuser screen in the detergent solution

Clean the steam nozzle with a damp cloth immediately after use

Produce a short burst of steam to clear the nozzle

Wipe the hot water nozzle with a damp cloth to remove any residue

Enter the current pressure reading from the lower scale on the pressure gauge

Is the pressure within the operating range of 8-9 bar?

Is pressure adjustment required?

Turn the by-pass screw clockwise to increase pressure

Turn the by-pass screw counter-clockwise to decrease pressure

Ensure at least one group is brewing coffee during adjustment

Remove the drain tray grill every night

Pull out the water drain collector

Clean the water drain collector thoroughly