Man D 2842 LE 620 Repair Manual page 58

Fig. 5
Unscrew the mounting bolts of the pressure relief
valve and oil pump.
Take off overpressure valve and oil pump.
The overpressure valve is encapsulated.
Opening pressure, see "Service Data".
Note:
Depending on the engine model and oil
pan variant, various oil pump versions are
possible.
Repairing oil pump
Fig. 6
Fit the oil pump in a vice (use protective jaws).
Remove oil pump cover.
Fig. 7
Pull the driven oil pump wheel from the casing.
Check the toothed wheels and pump casing for
wear (see "Service Data").
Fig. 8
Remove oil pump drive gear.
To do this, lay pump on suitable support and press
off drive gear using a mandrel.
To install it, put drive gear on shaft, supporting
facing shaft end.
Press on the drive wheel, observing the prescribed
gap (see "Service Data").
Removing and installing, repairing oil pump
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