6.12.2 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 on coolant expansion
tank counterclockwise to the first stop and
allow pressure to escape.
2.
Continue to turn breather valve counterclock-
wise and remove.
3.
Check coolant level (coolant must be visible
at the lower edge of the cast-in eye or at the
marking plate).
4.
Top up with treated coolant as necessary
(→ Page 115).
5.
Check and clean breather valve.
6.
Place 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 with treated coolant as necessary (→ Page 115).
112 | Task Description | MS150094/02E 2015-05
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