7.17 Low-Temperature Circuit
7.17.1 Charge-air 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 charge-air coolant level at filler neck:
1.
Turn cap on coolant expansion tank counterclockwise to the first stop and allow pressure to escape.
2.
Continue to turn cap counterclockwise and remove.
Note:
Charge-air coolant must be visible at mark-
er plate.
3.
Check charge-air coolant level.
4.
Top up charge-air coolant as necessary
(→ Page 177).
5.
Check that cap is in serviceable condition.
6.
Clean sealing surfaces as necessary.
7.
Fit cap and close tight.
Checking charge-air coolant level by means of level sensor:
Note:
Coolant level is automatically monitored by engine control system.
1.
Switch on engine control system and check readings on the display.
2.
Top up charge-air coolant as necessary (→ Page 177).
172 | Task Description | MS150112/01E 2014-10
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