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4.8 MAINTENANCE PROCEDURE
4.8.1 WHEN REQUIRED
4.8.1.a
CHECKING, CLEANING OR CHANGING
THE AIR CLEANER CARTRIDGE
Remove the air cleaner only after stopping the engine
q
and do not start the engine if the air cleaner is open.
Always wear goggles while cleaning the filter.
q
IMPORTANT
The air filtering system comprises a primary filtering
q
element with great capacity and a secondary cartridge
that provides additional safety protection.
The primary element can be cleaned with compressed
air, while the safety cartridge must only be changed.
The filtering element must be cleaned when the clog-
q
ging warning light (A) positioned on the instrument pa-
nel blinks or comes on completely.
In any case, check whether the cartridge is clogged eve-
ry 50 hours of operation.
The filtering element must be cleaned even when the
q
need for cleaning is signalled by the clogging indicator.
The air cleaner can be reached after lifting the engine hood
(see "3.5.1 ENGINE HOOD") and opening the rear panel (see
"3.5.2 REAR PANEL").
To clean the primary element, proceed as follows:
1 - Remove the couplings (1) and remove the clogging filter
cover (2).
2 - Extract the main filtering element (3).
3 - Slightly strike the element on the palm of your hand to eli-
minate the dust and blow compressed air on the inner sur-
face, keeping the air jet at a distance of approximately 15
cm and making sure that the pressure does not exceed 4-
5 bars.
4 - Carefully clean the filter casing (4), taking care to avoid
the introduction of foreign matters in the suction duct and
reassemble the unit making sure that the ejector is posi-
tioned vertically and at the bottom.
IMPORTANT
If the clogging warning light comes on after the engine
q
has started, it is necessary to change the primary filter-
ing element and the safety cartridge.
Change the primary filtering element after 5 cleaning op-
q
erations or after one year.
The safety cartridge must always be changed together
with the primary filtering element.
WARNING
MAINTENANCE PROCEDURE
A
2
4
RWA32410
1
RKAB1550
3
RKAB1560
5
RKAB1570
173
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