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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 Coffee 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 and diffuser
screw.
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.
Dip the items into a solution of water and
puro caff.
Rinse with plenty of clean water. Put the
diffuser back into place, tighten the screw
and dispense hot water from the unit
several times.
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 Coffee group.
Diffuser
screw
Diffuser
screen
Group
assembly
operation
Figure 5 - Coffee group
• Move the group activation paddle for said
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.
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