VESPA 150, Service Station Manual

Page: 48 / 249

2 . Turn on the headlight and check that the boun-
dary of the light beam projected onto the screen is
not higher than 9/10 or lower than 7/10 of the dis-
tance between the centre of the headlight and the
ground;
3 . Otherwise, adjust the right headlight with screw
« A ».
N.B.
THE ABOVE PROCEDURE COMPLIES WITH THE EURO-
PEAN STANDARDS REGARDING MAXIMUM AND MINI-
MUM HEIGHT OF LIGHT BEAMS. REFER TO THE STATU-
TORY REGULATIONS IN FORCE IN EVERY COUNTRY
WHERE THE VEHICLE IS USED.
Anti-evaporation system
Canister inspection
The canister is essential to treat the hydrocarbons present in the volume of gas that escapes from the
tank when there is an increase in internal pressure (tank heating induced by the cooling radiator, by the
motor or by the external environment).
The volume of air is limited by the operation of the ventilation valve (Roll-over).
Although the amount of hydrocarbons coming from the tank is small enough to avoid the saturation of
the canister, it is necessary to regenerate the activated carbon by means of a reversed flow of ambient
air sucked by the engine.
These vacuums of pollution and carbon regeneration take place at each cycle of use of the vehicle.
To control the canister, it is necessary to proceed
with its removal while keeping the 2 pipes connec-
ted.
•
Shake the Canister and make sure
there is no noise.
•
Using a compressed air gun, blow al-
ternately in 3 ducts and make sure that
pressure does not build inside the can-
ister.
•
Check that the air flow is kept free and
that no carbon residues escape out of
any pipe.
If you detect noise, clogging or loss of carbon, re-
place the canister.
Maintenance
Vespa Primavera125 - 150 i.e. 3Valvole (2013)
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