8.9 Coolant Circuit, General, High-Temperature Circuit
8.9.1 Engine coolant – Level check
Preconditions
☑
Engine is stopped and starting disabled.
☑
MTU Fluids and Lubricants Specifications (A001063/..) 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 engine 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 120).
5.
Check breather valve (visual inspection) and
clean if necessary.
6.
Position breather valve on filler neck and
close.
Checking engine coolant level 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 120).
116 | Task Description | MS150100/04E 2015-09
TIM-ID: 0000000911 - 005
