Group 21 Engine
Camshaft front seal, replacement
o4
Turn
engine
until cyl. 1 is at TDC
-
iniection
Always use the
vibration d;mper center bolt io turn the
engine. 27 mm socket or
wrench 5188.
Both cylinder 1 cams should
poin!
obliquely
'rpwards.
Turn
engine app.ox.
1/4 turn clockwise
past'0'
and
then
back to
'0'
again, to obtain slack
pEd
of beli on driving
side. lf this is not done injeclion
pump
settins
wil be
o5
Set dial
indicator zero
Gauge
pointer
must not move during instalation of
new oil sea otherwise it wil be necessary to
basic-set
engine since camshaft will have moved in relation
to
Lf
pointe.
does not move itsufficesto check/adjust injec-
o6
Remove
belt from camshaft
sprocket
Unscfew expansion
lank cap to release overpressure
from
coo
ing
system.
S acken coolant
pump
mounting
bolts and belt ten-
sioner. Tighlen two
ower mounting bolts 1o avoid
un
necessary loss
of coolant.
Remove belt
from camshaft sprocket.
o7
Remove
camshaft lront sprocket
Use 5199 to ho d
sprocket in
position
when loosening
bo t. Make
s!re that camshaft does not rorare
Tap sprocket to
free it from carnshaft.
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0)l
r)il
4
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a2
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