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24
•
the brake disc mus;: be accurate
l
y
clean,
13
withou
t oil.
fat
or other dirt
and mus
t
not show
any
deep rifling.
In case of rep lacement or overhau
li
ng of the
brake
disc,
it
is
n~ce!sary
to check the
flutter-
ing
0
1
the
S2me.
Th is checking
i
s
carri
ed
out by
means of
a
prop er
gauge
that must never
read
more than 0,2
mm.
Should the fluttering be
higher,
carefu
lly
che
ck
the
mounting of the disc on the hub and the
play of the hub bea
rin
gs.
Co nnec
ti
on torque between
di
sc and
hub
is
kg/
cmq
2
.
~
-:- 2,';.
Pad
rep
l
a.cement and disc c
h
ecking are
best
ca
rri
ed out
by
officially
appointed ,IAOlO
GU2zi
deal
ers.
Dra
ining
the
air
from
th
e
braki ng un
it
This
operation
i
s required when
the
movem
e.
t
of
ths
control le'!er on
the
hand
l
ebar is long
and
el asti
c
because
o
f
the
presence of air ir.side
the braking
circuit.
Operations
are
as
fo llows
:
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