Air Cleaner - APRILIA SR 50 - 1998 Manual

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AIR CLEANER

Carefully read p. 39 (MAINTENANCE).
Check the conditions of the air cleaner and
clean it monthly or every 4000 km (2500 mi),
depending on the conditions in which the ve-
hicle is used.
If the vehicle is used on dusty or wet roads,
the cleaning operations and any replacement
should be carried out more frequently.
To clean the filtering element it is necessary
to remove it from the vehicle.
REMOVAL
N Position the vehicle on the centre stand,
see p. 38 (POSITIONING THE VEHICLE
ON THE STAND).
WARNING
Before carrying out the following opera-
tions, let the engine and the silencer cool
use and maintenance SR 50
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down until they reach room temperature,
in order to avoid burns.
N Unscrew and remove the three screws (1).
N Unscrew and remove the two screws (2).
Do not exert too much pressure during
the removal.
The filter case cover (3) remains con-
nected to the pipe (4).
N Partially remove the filter case cover (3).
N Remove the grid (5).
N Remove the filtering element (6).
N Check:
- filtering element (6);
- filter case gasket (7);
and change them if necessary.
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CAUTION
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CLEANING
WARNING
Do not use petrol or inflammable solvents
to wash the filtering element, in order to
avoid fires or explosions.
N Wash the filtering element (5) with clean,
non-inflammable solvents or solvents with
high volatility point, then let it dry
thoroughly.
N Apply a filter oil or a thick oil (SAE 80W-
90) on the whole surface of the filtering
element, then squeeze it to eliminate the
oil in excess.
NOTE
The filter must be well impregnated,
though not dripping.
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