57
Timing cover and drive
Timing belt, tension (15A-03)
Special tools: 885036, 885037
1
Install the adjustment drifts on the camshaft and fly-
wheel, operation 17A-01.
2
Remove the cap of the timing cover, operation 15A-
01.
3
Install the belt tension gauge between the belts for
the injection pump and the camshaft.
4
Remove the four mounting for the camshaft pulley,
so that the pulley can turn on its hub.
5
Unscrew the domed screws holding the belt ten-
sioner roller. Adjust the belt tension using a hexago-
nal key in the hexagonal socket in the roller (C).
The correct tension for a new belt is 425-465 N and
for a used belt 340-370 N. When the tension is cor-
rect, tighten the domed screws to 45 Nm and then
recheck the belt tension.
6
Tighten the mounting screws for the camshaft pul-
ley to the correct torque, see Workshop manual
“Technical data” and check that the belt tension is
still correct.
7
Remove the adjustment drifts from the camshaft
and the flywheel.
8
Turn the crankshaft two revolutions and check the
belt tension again.
9
Check the fuel injection pump adjustment, opera-
tions 17A-03.
10
Install the cap of the timing cover, operation 15A-
01.