User manual

65
11.2. Weekly
Operations to be carried out with the machine
operative and under pressure.
● Place the supplied blind lter in the lter-holder,
put in a spoonful of detergent in powder for coffee
machines and t the lter-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 lter-holder, take out the blind lter and
insert a normal one.Replace the lter-holder on the
unit and rinse by drawing water several times.
● Make a coffee to eliminate any unpleasant taste.
11. 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.
11.1. Daily (Fig.11)
Use a clean cloth or sponge that does not leave hairs
or uff (preferably cotton or linen).
● Carefully clean the outside surface, following the
grain of the satin nish on the parts in stainless
steel.
● Clean the steam and hot water spouts and 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
casing of the delivery units using the special brush
supplied (Fig.12).
● Remove the lter-holders and remove the lter
and the clamp which secures the lter, use a brush
to remove any coffee deposits and rinse with hot
water in order to dissolve any grease deposits.
11.3.1. Renewal of water in the boiler
(Fig.13)
To be carried out only by qualied personnel.
● Turn off the machine and wait for the pressure in
the boiler to diminish (gauge needl on “0”).
● Dismantle the reservoir by working on the screws
(Fig. 10)
● Insert a rubber hose into the hose-end tting (3)
(Fig.13)
● Use the wrench (1) to immobilize the tting (2) and
loosen the hose-end tting (3).
● Allow the water to ow out completely; then, close
the tting (3) and remove the rubber hose.
● Rell the boiler (paragraph 7.3.).
Cleaning the lters and delivery heads (Fig.12)
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
recipient (NOT ALUMINIUM OR IRON).
● Remove the lters and immerse them with the lter
holders in the prepared solution, leaving them for
at least 10/20 minutes (all night is better).
● Remove them from the container and rinse them
thoroughly in running water.
● Remove the cup-holder grid 1 (Fig. 11) and clean
discharge 2 (Fig. 11)
11.3. Periodical maintenance
Operation to be carried out while there is still
some pressure in the machine.
● Drain the water from the boiler using the hot water
tap 7;
● Wait for the machine to te-establish its correct
thermal balance before use.