7.16.4 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 lev-
el 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 counter-
clockwise and remove.
3.
Check coolant level (coolant must be visi-
ble at marking plate).
4.
Top up coolant if necessary (→ Page 118).
5.
Check proper condition of breather valve,
clean sealing faces if required.
6.
Fit breather valve and close it.
Checking charge-air coolant level by means of level sensor:
1.
Switch on engine control system and check display (coolant level is automatically monitored by engine
control system).
2.
Top up coolant if necessary (→ Page 118).
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