Lube Oil System, Lube Oil Circuit; Engine Oil Level - Check - MTU 12V4000M73 series Operating Instructions Manual

7.14 Lube Oil System, Lube Oil Circuit

7.14.1 Engine oil level – Check
Preconditions
☑ Engine is stopped and starting disabled.
WARNING
Oil is hot.
Oil can contain residue/substances which are harmful to health.
Risk of injury and poisoning!
• Allow the product to cool to below 50 °C before beginning work.
• Wear protective clothing, protective gloves and goggles/safety mask.
• Avoid contact with skin.
• Do not inhale oil vapor.
Checking engine oil level after
extended standstill
1. Pull out dipstick from guide tube and wipe it.
2. Insert oil dipstick into guide tube up to the
stop, pull it out after approx. 10 seconds and
check oil level.
Note: After extended standstill, the oil level may be
up to 2 cm above mark (1). This may be
caused e.g. by oil from oil filters and heat ex-
changers flowing back into the oil pan. After
extended standstill, the oil level "2 cm above
mark (2)" is the minimum oil level.
3. Oil level must be at least 2 cm above
mark (2).
4. If necessary, top up with oil, maximum to
mark (1) (→ Page 215).
5. Insert oil dipstick into guide tube up to the
stop.
Checking oil level immediately after engine stop
1. 5 minutes after stopping the engine, pull out oil dipstick from guide tube and wipe it.
2. Insert oil dipstick into guide tube up to the stop, pull it out after approx. 10 seconds and check oil level.
3. Oil level must be between marks (1) and (2).
4. If necessary, top up with oil, maximum to mark (1) (→ Page 215).
5. Insert oil dipstick into guide tube up to the stop.
214 | Lube Oil System, Lube Oil Circuit | MS150045/03E 2018-08