Preventative Maintenance And Cleaning - La Marzocco linea mini Operating Manual

7. Preventative Maintenance and Cleaning

WARNING
Jets of water should not be used
to clean the machine, nor should
it be placed where water jets are
used.
WARNING
Do not remove the filter holder
while relative group is brewing
hot liquids. The integrated brew
group contains water at elevated
temperature. Water temperature
over 125°F / 52°C can cause
severe burns instantly or death
from scalding.
WARNING
The machine must not be dipped
in, nor splashed with water in
order to clean it. For cleaning
operations, please follow the
instructions very carefully.
16
WARNING
The expansion valve can
discharge water as hot as 200°F
/ 93°C. Adequate protection
for handling this component is
needed before attempting to
adjust.
WARNING
This machine is designed only for
preparing coffee and hot drinks.
Cleaning (Daily)
1. Cleaning the diffuser screen.
During the discharge
(subsequent to coffee brewing), small
amounts of coffee grounds may slowly
build-up on and obstruct, even partially,
the diffuser screen. Turn off the machine
and remove the diffuser screen by
unscrewing the diffuser screw. Soak in
detergent powder liquid following the
instructions of detergent manufacturer.
Rinse thoroughly with clean water. Install
and run hot water through the group head
several times with the screen installed.
2. Cleaning the brewing system.
Insert the blind filter into to the 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.
Diffuser
screw
Diffuser
screen
Tool
Group
assembly
Figure 7 - Integrated Brew Group
• Move the group activation paddle for said
operation
group, as if you were making a regular
cup of coffee. Stop the water after about
15-20 seconds.
• Start and stop the group several times
until you notice clear water being
released instead of soapy water when
you remove the portafilter.
Do not remove the portafilter when group
is dispensing water.
• Rinse the group using a normal filter
in the portafilter, by running hot water
through it several times.