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Volvo D 20 Service Manual page 102

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Group
21
Engine
CrankshaFt front seal, replacemenr
RJ6
Install lower timing gear cover and vibration
damper
Damperean
on ly
be
fitted in one way. Pin on crankshaft
gear must
fit
in vibration damper.
Torque inhex balts to
20 Nm
!15 f
t
Ibs}.
RJ7
Install
center bolt
Smear
threads and
mating surface with sealer PIN
.t.2
277961·9.
'DO
"
....
le,
~
l.
_.~
!'
-',
.
j'
-
,
.'
Use wrench
5187
(rest on cooling fan bearing) to hold
vibration
damper.
Use
wrench
5188
to torque
center balt
to
350
Nm
(255
fl Ibs).
Important: Torque
350
Nm
appl
ies only
if
wrench
5188
is used. Also
torque wrench
must be in line with wrench
5188.
RJB
Set belt tension
Turn engine approx
1/4 turn
anticlockwise. Adjust
ten
·
sion by moving coolant pump.
Use
gauge
5197
to
check
tension.
Attach gauge
to
belt
and set to
12.5
units.
Depress belt strong ly with hand and recheckladjust
t
en·
sion.
RJ9
Install:
- fron
t
timing gear cover
-cooling fan with spacer and pulley
:
Torque balts to
9 Nm
(6.5
fl
Ibs)
- belt
for
power steering pump and fan belts
-
radiator.
Connec!
hoses
- splashguard
- battery.

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D 24