71
4F Installing the toothed belt
Installing the toothed belt 230, 250,
AQ131, AQ151
183. Check to make sure that the recess (1) of the
outer guide plate coincides with the marking of the
housing.
184. Align the intermediate shaft with the marking
(1).
185. Place the valve cover without the gasket on the
cylinder head. Position the marked plate on the two
front stud bolts. Then make sure that the marking of
the camshaft gear lines up with the plate marking.
Note! not all engines have the marked plate.
186. Check the condition of the toothed belt.
NOTE! Grease or oil must not be on the belt. Then
adjust the markings of the belt as follows: Two lines
against the marking of the crankshaft guide plate
and one line against the marking of the intermediate
wheel. The last marking, also one line, against the
marking of the camshaft gear.
NOTE! At the crankshaft marking, the belt must be
pushed down into the correct tooth gap for checking.