Valmet 309 - 5. INJECTION PIPES; A. INSTALLING THE INJECTION PIPES

6. Begln
parTs
the
assenbly
by caretully rlnslng
öll
ln
DUre tuel or tost fluld.
INJECTION PI P€S
I NSTALL IiG T}C INJECTIO{ PIPES
Chack
+he
condl+lon
of
ihe
Dloes
betore
Insial
llng.
ll
ihe
plpe
has cracks, abraslon
oi It fhe
seallng
cone
ls
damaged,
rep
lace the
olge
r|th
ö
hori
on€r
Ensure that ihe
plpes
are
noi ln an obllque
poslfton
whlle fhe retalntng nu+s
are b€lng
ilghtened.
Otherrlse the
cone HIll b€ damaged
6nd leaks rlll resul+.
f. Flx
+he lnJocflon
plpe
supports.
,.
7.
8.
Place
l'he
shlm ln ihe
holder.
Check
It ihe
openlng
pressure
n@ds
adjusitng. Atlach
ihe
o'iher
parls
and
check thelr
correct
Dosltlons
(pressure
p
In, lntermodlaie
plgce).
Close ihe
retalnlng
nu+ of the nozzle
flrsf by
hand and
flnally
flghten
rlth a iorque
wrench
to
60
Nn In cose
ihe InJector
ls Bosch
and
to
90
Nn lf
lt ls CAV.
D.
INSTALLING
IHE
I NJECTffi
IN THE ENGITG
9
,19
Insialllng a Bosch Injecfor
lilou
n't
Ing lron
l{asher
Protecl lve rubber
Gasksi
Yasher
C lean the I njector counler surface on
the
cyllnde.
head. Siralgh+en
the
surface
wlth a
reamer
(8J61
914101,
ll necessfy.
Place
the
lnjecior In lts
poslllon
on
the
cyllndd' head.
Use a
.pvr seallng rlng.
Nofel The lnJecflon
pattsrn
ot the
Injector ls not
sy nelrlcal. Theretore l+ ls
lmpor+ant
+o
posltlon
ihe lnJec+or on the
cyllnder
head correctly.
The
overflor
plp6
flxed to th€
InJeclor
slde should
be on the
slde of ihe valve
nechanlsm
(Bosch
lnJ€ctor).
Place +he npunilng
lron
(ln
Bosch InJector) In
lis
posltlon
and tlghten ihs nuis evenly to ihe
glven
torque
(15
lh In Bosch lnJector ond
20
Nn ln
CAV lnjector).
t.
2.
4.
Flx fhe
ovorf lor
plpe
and the Injec+lon
plpes.