MTU 12V4000G34F Operating Instructions Manual page 132

Preparatory steps (two-cylinder
HP pump)
u
Undo nut (2) and remove oil line (1) from HP
pump.
Preparatory steps (four-cylinder
HP pump)
u
Undo nut (2) and remove oil line (1) from HP
pump.
Filling HP pump (two-cylinder
HP pump)
1. Remove union (1).
Note: Excess engine oil runs into gear box.
2. Use fuel suction pipe to fill HP pump with
2 liters of clean engine oil.
132 | Injection Pump / HP Pump | MS15060/01E 2018-12