Maintenance; Daily; Weekly - Laranzato GREEN Serie Gebrauch Und Instandhaltung

10. MAINTENANCE

Maintenance operations have to be carried
out when the machine is off and cold and
the plug is disconnected. Some particular
operations have to be effected when the
machine is operating.
Do not clean the machine by using metal or
abrasive devices, such as steel wool, metal
brushes, needles, etc. or general detergents
(alcohol, solvents, etc.)
When necessary, use special detergents
for coffee machines that can be bought in
specialized service centres.
10.1. Daily (Fig.10)
Use a clean cloth or sponge that does not leave hairs
or fluff (preferably cotton or linen).
● Carefully clean the outside surface, following the
grain of the satin finish on the parts in stainless
steel.
● Clean the steam and hot water spouts, check that
the nozzles are not encrusted (if they become
encrusted, be careful not to deform or damage
them).
● Clean the spray units and the seals under the ca-
sing of the delivery units using the special brush
supplied
● Remove the filter-holders of the machine and re-
move the filters and the clamp which secures the
filter, use a brush to remove any coffee deposits
and rinse with hot water in order to dissolve any
grease deposits.

10.2. Weekly

Operations to be carried out with the machine
operative and under pressure.
● Place the supplied blind filter in the filter-holder,
put in a spoonful of detergent in powder for coffee
machines and fit the filter-holder in the unit to be
cleaned.
● Press the coffee dispensing button and draw water
for approx. 30 seconds.
● Stop and start dispensing several times until clean
water comes out of the discharge unit tube.
● Remove the filter-holder, take out the blind filter
and insert a normal one.Replace the filter-holder
on the unit and rinse by drawing water several
times.
● Make a coffee to eliminate any unpleasant taste.
Washing cycle (Mod.GREEN ME - PLUS)
The WASHING CYCLE enables the cleaning of the
coffee groups and is activated as follows:
Press continuous button E and then button first dose
A belonging to the group to be washed.
The display will show (on designed models):
No.5 cycles will be performed as follows:
7-second dispensing and 3-second interval
The PLUS model is provided with 10 cycles.
Model CLUB PU/S - ME/S
Operation to be carried out when the ma-
chine is off and cold and the plug is discon-
nected.
● Remove the lid on the water-tank;
● Remove the air trap C and softener A (Fig.8);
● Take out the water-tank, empty and clean it;
● Thoroughly rinse the water-tank and replace it in
the machine;
● Place the air trap in its guide and the softener
horizontally on the bottom of the water-tank;
● Fill the tank with clean water and close the lid.
If the air trap is not in the correct position,
the machine cannot heat or indicate a lack
of water in the tank.
Cleaning the filters and delivery heads (Fig.11)
Operation to be carried out when the machine
is off and cold.
● Prepare a solution of 4 sachets of detergent
powder Code 69000124 dissolved in a litre of
boiling water in a stainless steel, plastic or glass
container (NOT ALUMINIUM OR IRON).
● Remove the filters and immerse them with the filter
holders in the prepared solution, leaving them for
at least 20/30 minutes (all night is better).
● Remove them from the container and rinse them
thoroughly in running water.
● Remove the cup rack (Fig.11), slide out the drip
tray and clean them both.
● Check and clean the drainage sump, removing
any sludge with the help of a spoon.
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