7.16.2 Engine coolant – Level check
Preconditions
☑
Engine is stopped and starting disabled.
☑
MTU Fluids and Lubricants Specifications (A001061/..) are available.
WARNING
Coolant is hot and under pressure.
Risk of injury and scalding!
• Let the engine cool down.
• Wear protective clothing, gloves, and goggles / safety mask.
Checking coolant level at filler neck:
1.
Turn breather valve of coolant expansion tank counterclockwise until the first stop and allow pressure
to escape.
2.
Continue to turn breather valve counterclockwise and remove.
3.
Check coolant level (coolant must be visible at the bottom edge of the cast-in eye of the filler neck).
Checking coolant level at exter-
nal cooler:
1.
Check coolant level (coolant must be visi-
ble at marker plate).
2.
Top up coolant if necessary (→ Page 106).
3.
Check and clean breather valve.
4.
Position breather valve on filler neck and
close.
Coolant-level check by means of level sensor:
1.
Switch on engine control system and check readings on the display.
2.
Top up coolant if necessary (→ Page 106).
MS150119/00E 2014-08
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