Group 21 Engine
Camshaft front
seal, replacement
Reading more than specitied:
Slacken
pump
nrounting bolts and turn
pump
outwards
until dial indicator shows approx.
D20.................................................0.70mm=0.0276in
D 24 ................................................. 0.60 rnm
=
0.0236
in
D 24
USA,/Canada
1
979-1981
......... 0.60 mm
=
0.0236 in
1982-................. 0.75
mm
=
0.0295 in
Then turn
pump
inwards until specified value is ob-
tained. Tighten mounting bolts and recheck
pump
set'
ting.
lf it is not
possible
to sei
pump
to above specifications
becaLse of ncuffic ert ad_Jstmelt
laltude.
elgiie
must be basic-set again, since camshaft and crankshaft
are
probably
our oi ine.
Note! Injection
pump
must not be tapped or knocked as
this will
alter
its
setting.
o22
Check
pump
setting
Turn
engine round twice and check setting,see opera
tion O20. Readjust if necessary and repeat check.
Remove dial indicator
and holder
o23
o24
Install
plug
with new
seal
Tishtening
torque 9 Nm
(6.5
ft bs).
{,i
0
(
I
o25
Reconnect cold start device
Press lever forwards and turn sleeve 90'.
Retighten
Notel Do not turn screw 2 othelwise it will be necessary
10
reset
cold stan
device on a lest bench.
I
t
L:ri
ii ,.
_r
Lr=
- i ],r'/nl l
86
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