- Remove the oil pump command sprocket com-
plete with chain.
- Unscrew the two screws and remove the oil
pump.
Inspection
- Remove the two screws and remove the oil pump
cover.
- Remove and wash the rotors thoroughly with pet-
rol and compressed air.
- Reassemble the rotors in the pump body, keep-
ing the two reference marks visible.
- Using a feeler gauge, check the distance be-
tween the rotors in the position shown in the figure.
- Check the distance between the outer rotor and
pump body, see figure.
Check the axial clearance of the rotors using a
trued bar as shown in the figure.
Characteristic
Axial rotor clearance
Limit value admitted: 0.09 mm
Distance between the outer rotor and the pump
body
Admissible limit clearance: 0.20 mm
Distance between the rotors
MP3 400 hpe E5 Engine
ENG - 117
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