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Valmet 309 - Installing the Coolant Pump

Valmet 309
134 pages
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Press ihe lmpeller ln
poslilon
suppor+ln9 one
end of
the shaf+. The shafl end and the
lmpeller centre are levelllng,
whlch
m6ans tha+
+he dlsiance
b€teeen ihe
body End the lmpeller
rear
edge ln 511/4ll englnes ls
1...1,3
mm
and
ln 611/612 engines
0,f...0,6 nm. Ensure ihat
+he shaft rolates freely.
Flx ihe belt
pulley
onto lhe shafi and tlghien
Its flxlng nut to ihe +orque of
l0O
Nm.
Ir{sT LLtrG I}tE Coot.ANI Pti,P
Rep lac€
ihe
gaskei
between ihe
pump
and the
cyllnder block.
Ins+all
+he
pump
and
+lghten
fhs flxlng
scrers
evenly and In turn around the
bodv.
Flx
the
pulley,
v-belt and fan. Tlghten ihe
a lierna+cr- flxing screws.
J.
Insfall
+he
connectlons for the
heatlng
devlce
and
oll coolgr and +h9
enolne heafer
of
ihe
f<y I
Inder eng Ines.
4.
Flx the by-pass
plpa
vil+h
nett
gaskei
In lts
poslilon
on
iop
of fhe
pump.
Insiall
the
lhermos+a+
houslng ln the cyllnder
head,
a+ the
sanE +lme mounilng
ihe by-pass
plpe
beiween ihe
puip
and ihe
houslng.
5.
Flx +he uDoer and lower {a+Er
hoses.
Flll the
englne
cooltng sys+9m
and check for
posslbla
leaks.
Noi€l
lf
you
lntend to
lns+all a coolant
pump
wlih
a net| sprlng
sgal and counler rln9, the
cool
ani
mav
drlo from
+he hole underneath +he
purp
durlng +he flrsl
run hours. Thls leak
should
siop
yrhen
lhe seallng faces adjus+ io
each
other.
T-T

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