Group 21 Engine
Basic
setting
c15
Set belt tension
Adjust tension by
moving
pump.
Use
gauge
5197 to check belt
tension. Aftach gauge
ro
belt and
set to 12,5 units.
Strelch
belt unti mark
on
gauge ptunger
is ftush wirh
Depress beli
slrongly with
hand and .echecUadjusrren
c16
Set
pump
and tighten camshaft rear sprocket
Use 5199 to hold sprocket. Torq!e wrench sho! d rre at
righi angle lo wrench 5201 otherwise torque will be
Using 5199, lurn sprocket s ow
y
clockwise
unlil dial
D 20 ....-............................................ 0.80 mm
:
0.0315 in
D 24 .................................................
0.70 mm
=
0.0276 in
D24USA,/Canada1979 1981......... 0.70mm=0.0276in
1982-................. 0.85 mm: 0.0335 in
Ho d sprocket
in
this
position
and torque boh to 100 Nm
(73
ft. lbs). Take care that camshafi and sprocket do
not
c17
Remove
stop 5193 trom
pump gear
ct8
Check
pump
setting
Turn
engine two
full turns
unri cyt. 1 is
at lop oedo
center
-
injection
again.
lf engine is
turned
roo rar r
must be
lurned back
approx. 1/41urn
and
then to zero
mark
otherwise
setting will
be inco(eci.
Dia
indicalor
should
show:
O20...........................
0.75
0.83mm=0.029F0.0327in
D 24 .......-..................-
0.6F0.73 mm
:
0.0256-0.0287
if
D 24
USA and canada
197F81.....................
0.65-0.73mm=0.0256
0.0287in
1982
........-................0.82
0.90 mm
=
0.0323-0.0354
in
Correct
reading: Tighren
injeciion
pump
mounting
bolls.
Proceed to
C19.
rncoftect
reading:
Beadjust
according
ro insrructions
26
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