Valmet 309 - Reconditioning the Coolant Pump (Separate Ball Bearings 611, 611, 612)

Notel lf vou
ne€d
+o replace
the
purnp
shafi,
the bes+ soiutlon
ls to ossemble
a
pump repalr
kl+ shlch lncludes
all
gaskeis necessary
for
recondlilonlng
(see
spore
par+s
catalogue).
Press
the shöft
In lis
posl+lon
ln +he
body
,fih tool
905'1 61900. Install
the locklng
rlng.
77
Clean
+he shaf+ and
the axlal
seal
recess on
+he
pump
body. Plac€
ihe
plasilc
covered
seal
and counl-er
rlng on
fhe
shaf+.
lf
necessary,
use an+lfreeze asrrlubrlcantr'.
Tapplng
ihe seal
ln Dosltlon
wl+h drlf+
9051
40200 rernoves
l-he
plasilc
cover
ehlch
posslbly
comes
ou+ trlih
the
drlfi. tf
lt renalns
ln the houslng,
retrpve
lt
before flttlng
ih€ lmpeller.
78
Press
l'he
lmDeller
and
fhe
hub
on
the
correct
post+lon,
supporilng
lhe shal+
at the
qther
end.
Ensure
fhat
the shoft
rofaies freelv.
8. Flx ihe back
plale
on the body and rep laco the
OaSKeT.
RECONDITIoNII€ n€ CooLANT
R tlP
(Separ6+e
ball boarlngs tl1,411,611'
612,
1. open
the belt
pulley
flxlng
nut and
renove the
pulley.
Uso
exfracior
8560
15091, lf
neoded.
R€orove
ihe
l|tpeller
from the
shaft vl+h
extracior
8160 85499
(fll
and
illl
englnes) or
extractor
9025 4l5OO
(6ll
cnd 612
englnes).
Remove
the locklng rlng fron
ihe
pump
body.
Press the shaf+ and bearlngs out
of +he body
iowards the
fan
wl+h e.g. a
hydraullc
press.
Support
ihe body
so
tha+ th6 bearlngs come
ou+.
TaD the axlal seals and
sh€ft seals
ou+ of the
body lrl+h
a drlfi.
Clean
the
par+s
and
check
ihelr
condlilon. Rgplace
worn or defecilve
oeris w l+h ne|l{
ones.
Noiel
lf
you need io rep lace
the
pump
beärlngs,
l-he besi
goluilon
ls
to assembl6 a
pump
repalr kli
yhlch
lncludes all
gaskets
necessary fo|-
recondltlonlng
(s€
spare
parts
cata
I
oguo).
5.
T6p
the ner
shafi
seal onfo the
body {l+h a
sullable drlft.
Place fhe bearlngs
and the
lntermedl a+e
bush
on
the
shölt. Lubrlcate
+he
beorlngs wlih a sufflclent
amount of hsat-
reslstant ball bearlng
grease.
Place
lhe sha{+
and
+he
bearlngs
ln
posltlon
9o
thal +he
{orcss
caused
by the
presslng
are
not
+ransmlffed
through ihe ball bearlngs. Fl+
ihe bearlng
l6k
lng rlng.
6. Clean
+he shaft and the axlal
s€al recess
on
the
pump
body. Place the
plasilc-covered
seal
and
counier
rlng on thg shaft.
lt ne@ssary,
use
antlfreezo
as
nlubrlccntn.
Topplng
the seal
ln Dosl+lon
ylth
f lft 9O5l
40200 removes
+he
plastlc
cov€;r rhlch
posslble
com€s
oul vlth-the
drllt. ll lt remalns In
ihe
houslng,
rerpve lt
befors
f
lii
Ing fhe lmpeller.
4.
6.
/
-o
Coolant pump
6ll,612