Man D 2840 LE 301, Repair Manual

Page: 116 / 194

1
2
Removing and installing camshaft
114
Removing camshaft
D
Draining off coolant, see page 39
D
Removing the oil pan, see page 64
D
Removing the starter motor, see page 133
D
Removing the flywheel and timing case, see page 112
D
Removing cylinder heads, see page 93
Note:
The engine must be turned through 180
_
in order to remove the camshaft.
To do so, the engine must be placed on assembly truck.
Fig. 1
Turn the engine upside down so that the valve
tappets do not obstruct removal of the camshaft.
Fit inserting mandrel (special tool) to the camshaft.
Carefully remove the camshaft at the drive gear
(arrow). Take care not to damage the camshaft
bearings! Check the camshaft for wear and dam-
age.
In the case of damage to the camshaft or drive
toothed gear, the entire unit (camshaft
− toothed
gear) must be replaced.
Fig. 2
Use a suitable mandrel to push the valve tappet
out of the guide; check for wear; if required, renew.
Valve tappets can only be removed when the cam-
shaft has been removed.