6.
8.
5.
Bearlng
hous
I ng
-
R6p I
ace bearlng
houslng,
ll
surtacos or- the
seallng rlng
notably
rorn or scraiched.
fhe bearl ng
groovgs
are
Roiatlng
paris
Chock ihe balanclng of the roiatlng
parts
rSQr
s6allng
r'lng
Rgplace
damaged, vorn ol-
hardened
seallng rlng
Turbo
houslng
and +urblne
houslng
Check th6
houslngs
for
any damage or cracks
caused bv
the coniact of the roior or detects
du6 io posslble
overheatlng.
l4lnor damages can
be accepted,
bu+ ofher*lse
replace
ihe
houslng.
Assemb I lng the iurbo
After cleanlng and Inspectlng ihe turbo
parts
carefully
and replaclng ihe faul+y
paris,
assemble ihe
+urbo. Perlorm ihe assenbly In the
reverse
order compared io dlsassenbly.
Pl6ase
pay
6++entlon io followlng
polnts:
The rotatlng
parts
should be bölanced |rlth an
accuracy of
1,44
gfln
a+ both ends. Ensure
ihat
you
tlnd
the marks
you
nade durlng dls-
essembly
Indlcatlng the rela+lvo
posltlons
oJ
dl fforeni parls.
Place +he
lock rlngs In +helr
posltlons
wlth
fhe
chanfared
slde lowards l-he bearlno.
8
l0
Notof Siarflng fron turbo
se.lal rto. 841272,
a seallng rln9, spare
par+
no. 8f5f f9104,
has
been
placed
bein€€n
+he +urbo
housing
and ihe
lntermedlafe
dlsc. Tho iurbo
houslng of older
turbqs can be
sealed
by
placlng
an o-rlng seal,
order no. 6146 12114,
bei{e€n fhe
houslng
and
fhe dlsc.
IISTALL
I
IG Tlf TIRB&MRGER
Flnd ouf fhe reason for fhe danage of the turbo
and alvrays el
lmlnate
the
cause of
+he
defeci
before lnstalllng
a ner
turbo.
To make
sure
ihat
lhe turbo functlons
properly
It
ls
essonilal +hat the englne lube ol I ls
ch€nged acco.dlng to Insfruc+lons
glvon
and
that
correcl oll
grade
ls used. lnstruc+lons
regardlng the servlce of oll and alr fll;iers
shou ld also be follolrsd.
The
adJustmeni of
ihe
Injectlon
pump
has
a
dgclslve lmpac't on ihe functlon
of
+he
turbo.
Therefore,
ihe manutac+urerr
s Insirucilons
apply for
+he
pump
adjusiment.
Check +ha+ ihe exhausi and lnlet manlfolds are
properly
fas+ened and thelr
jolnis
tlght.
Ensure ihat there
ls
no loose carbon resldue or
rust
or o+her forelgn
par+lcles
lnslde the
mån lfolds.
Fl+ the turbo flange
on
ihe iop
of
the exhaust
manlfold.
Always use a ner
gaskei.
Attoch
the
lnlet
plpe
and +he exhaus+
plpe
on
the
turbo.
Pour
ploln
englne ol
I Inio
+he
bearlng houslng
through the ol I Inlel io ensure +he lubrlcatlon
of
the iurbo
bearlngs af+er start.
Flx
the
pressure
and oll return
plpes
of ihe
turbo,
uslng
ner gaskets.
Make sure +hai ihg
turbo
ls wholly supporied by
lts flxlng flange
and that
fhe
plpes
do not
cause any
pressuro
on
the turbo.
Pull +he
stop
lever lnlo
stop
poslilon
önd +urn
ihe
englno
wlth +he
siartsr
for a xhlle.
Thls
guarantges
that ihe
ol
I
Dressure
rlses bg{ore
startlng.
Star+ the
englne
and check +hai
there
are no leaks
from
+he
DlDes.
f.
Lubrlcate fh€ surfaces of all bearlng
houslngs,
thrust
parts
and
seals ,lth
plaln
englne oll.
4. |{h€n
you
set
+he
shati
+hrough +hs shlsld
plate
and ln+o
ihe bearlng
houslng
and +he ol I
def lector
lnto +he lniernodla+e dlsc donrl
force
the seallng rlngs
lnto
posltlons, for
tlEy may
broak oasl ly.
5.
Tlgh+en
ihe ihrusi
bearlng scrers
to the torque
of
il,5
In.
}{hen
Insfal llng
ihe
ln+ermedlaie
dlsc
lnto
the
bearlng
houslng
be
careful noi
io damoge
ihe
'SQr
seallng
rlng.
Tlgh+en the lurbo roior relalnlng nu+ to
the
torque of
l4r0 Nn.
Not€l The nu+ has a lef+-handed
+hread. lvake
sure
you
donr+
bend +he shaf+,
tjse a
sul+able
T-wrench
or torque
wrench.
Sgt the dlal
gauge
on lhe shaft end and
meösurg
lh€ end
play
vhlch should be 0,10..0,16 rn.
The readlng can
be
sllghily smaller,
lf a lo+
of ol
I has
beon used durlng thrus+ bearlng
assemD ty.
9. Set the dlal
gauge
on the shaf+ slde and
tp€sure ihe
radlal
play,
The radlal
play
should
b€
0,50...0,46
rn.
Tlghi€n
fhe screws
(22)
b€tve€n ihe
bearlng
houslng and the
Iniormedla+e
dlsc fo +he lorque
of 5r7
n, the turbo
houslng
reialnlng
scrers
(8)
io
5,7 Nn €nd lhe
iurblne
houslng reiölnlng scre{s
(18)
to
ll,3 l{n.
Ensuro thal
the
shafi rotates
froelv.
Attach
ihe
lck rashers
(19
and 2'l ).
D.
||.
12.
10.
8-6
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