MTU 12V4000C Series Operating Instructions Manual page 109

8.13.2 Checking engine oil level
Preconditions
☑ Engine shut down and secured against being restarted.
Checking engine oil level at oil
sight glass
1. The oil level (2) can be checked visually in ad-
vance at the oil sight glass (1).
2. A correct reading of the engine oil level is on-
ly possible with the oil dipstick (→ Page 108).
MS150049/04E 2017-04 | Lube Oil System, Lube Oil Circuit | 109