Valmet 309 - Replacing the Valve Guide; Replacing the Injector Sleeve

D.
REFTIC II{G
IHE YAI-YE GUIOE
l. Renove
fhe
old
gulde
elther In a vlce or
bore of lmpurlfles.
el+h a
drlf+
(Bt6O
91331),
by +€pplng.
Cl€an
the
gulde
E.
REPLACI}G
IT€
I}IJECTOR
SLEEVE
l.
Flx ihe
exfractor
Ing.
ihreaded
pln
(8160
86085
)
of fhe
ln ihe
2.
Place
'the
extrac+or shroud
fhreaded
pln,
flx fhe nuf
ln
un-tll
the
sl€ve ls l@s€.
lnJec+or s lgeve
s leeve by turn-
top
Pln
ot fhe
and turn
on
ihe
2.
Lubrlcai€ ihe ouislde
of ihe new
gufa.
f?g8h+fy
l'lth oll.
Tap ihe
gulde
In lts
posltlon
{lth a
drlfi
(8f60
97457).
|{han
uslno fhe neniloned
flt+lng
drlft the
upper end- o{ fhe
gulde
remalns
ai the correct
level
(18
mm)
above
-ihe
cyllnder
head
lace
and +he ol
I
gulde
bevel
siays Intacf.
l. Cleön
fhe
lnJ€c+or sleeve bore ln +he
cyllnder
head
caiefully.
Ensure ihaf th€ upper end
gulde
has
no
sharp
edges shlch mlght damage lh6
o-rlngs dur
Ing Insialla+lon.
4. Apply seallng conpound
(6909
J0008)
fo
the
sleeve
lorer end. Place
nex o-rlng soals ln tha
upper end
and
lubrlcaie
th€n llghtly r,lth
vasellne.
Tap
the
sl€€ve lnto
poslilon
xtth
a
drlf+
(81@
9746ö ).
3.
The
lnle+ valve guldes
are lden+lcal.
Insta
|
|
cham{ered
ond
upyards.
move
sn@ih
ly ln ihglr
3-8
39
and exhaust
va lve
guldes
the
guldes
{lih
+he more
Ensure
iha+ ihe valves
gu
I des.
o
(