30
In order to ensure that the cooling circuit is fully
bled, when you are lling it with coolant, loosen the
screw located at the top of the cylinder head until
the air has been released, and retighten it. Then ll
the radia¬tor up to the correct level, not quite full,
so that the air acts as an expansion vessel.
Remove the cap on the top of the radiator to ll it up
with coolant, making sure you remove the air using
the bleed screw on the cylinder head. For optimum
functioning, do not ll the radiator right up to the
top. We recommend using a suitable lling recep-
tacle for greater control.
Avoid ll up at the top . It is recommend left a chamber
of air 8mm aproximately.
The factory-supplied coolant is a permanent-type anti-
freeze of ethylene glycol, diluted in 50% distilled water
and containing anticorrosive additives.
We recommend periodically bleeding the system
and changing the coolant. Watch out for abnormal
colour of the coolant: white stains (corroded alu-
minium), brown stains (corroded steel). To respect
the environment, dispose of the used coolant in
the designated places.
FILLING WITH COOLANT
23 - Filling with coolant 24 - Bleeding air in the cooling system
BLEEDING AIR IN THE COOLING SYSTEM
a
a) Filler cap located on the top of the radiator.
b) Bleed screw for the coolant, located in the cylinder head.
/
Radiator section detail, cover ns with 8mm of water. There
should be an air chamber at the top.
b
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