Valmet 309 - Page 44

F. CMNKSHAFT
HUB
PIECE
Loosen
+he al+ernator
flxlng screws and
renove
the v-be
lf.
Open the hexagon
sockei screes
of the beli
pulley
and
the
vibratlon
danper and remove
+he
paris
from +he crankshaf+. The
pulley
and the
vlbrailon damoer
hava
been
oosltloned
to
thg
crankshaf+ hub
plece
wlih a dowel
pln
(lnj.
tlmlng
narked on
ihe vlbrailon damper).
Notet
Even a small dent makes ihg vlbra+lon
damper
Inoperatlve.
Do no+ remove
l+
by
iurnlng
forclbly
and be careful
not to damage l+
'dhen
l+ ls
loose.
lf
you
de+ec+ a den+ on the ouier
surface,
do not lnsfall +he
damper back ln the
eno Ine.
Vlbratlon
damoers dellvered
as spare
paris do
no+
havo
InJec+lon
ltmlng
nark.
Make
the
marklnq
on
ihe ne|, danper
on
the
same spo+
as
on
the-old damper.
Use an
elecirlc
pen'
do
not
tap the
mark I
Flx +he
vlbrallon
damper
and ihe
pulley on
ihe
crankshaf't. Tap
the
dowol
pln
ln l+s
Placo
and
itghfen the flxlng
screws
to a
torque
of f0 Nm.
412
Uhen
flttlng
ihe
hub
plece io ihe
crankshafi
fronf end note
the corroc+
posltlon
of the hub.
The
hub
plece
has
an lns+allatlon
mark
-
on iwo
+eeih and +he corresponding
Ins+alla+lon
mark
.
of the crankshaf+
ls on
one +ooth.
REPLAC
ING
THE VIBRATION
DAI..IPER
6I11612