Volvo D24 - Install Center Bolt

Group 21 Engine
Timing
gear
behs, replacement
Ll7
Install
center bolt
Smear threads and rnating surface with
sealer
P/N
277961-9.
Use
wrench
5187
(rest
on cooling fan
journal)
to hold
vibration damper. LJse wrench 5188 to lorque center
bolt
to 350
Nm
{255
ft lbs).
lmportantr
Torque 350 Nm applies only if wrench 5188
is used. Also torque wrench must be in ine with wrench
5184.
L18
Make
sure
cyl. 1 is at TDC
-
inlection
Check'0' ma|k on flywheel and
adjust if necessary.
L19
Set belt tension
Adjust
tension by moving coolant
pump
Use
gauge
5197 to check tension. Attach
gauge
to
belt
and
set
to 12.5 units.
Stretch bell until mark on
gauge plunger
is
ilush
with
Depress belt strongly with hand and rechecuadjustten-
L20
040
Tighten camshaft lront sprocket and remove
gauge
5190
Use 5199 to
prevent
sprocket from turning.
Torque
center boit to 4s Nm
(33
fi lbs).
Remove
gauge
5190 and feeler
gauge.
64