7.15 Coolant Circuit, General, High-Temperature Circuit
7.15.1 Coolant level - Check
Preconditions
☑ Engine shut down 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 counterclockwise and remove.
3.
Check coolant level (coolant must be visible at the lower edge of the cast-in eye).
Checking coolant level at remote
cooler:
1.
Check coolant level (coolant must be visible
at marking plate).
2.
Top up coolant if necessary (→ Page 108).
3.
Check and clean breather valve.
4.
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 coolant if necessary (→ Page 108).
MS150064/01E 2011-11 | Task Description | 105
TIM-ID: 0000000937 - 010