6.15.5 Engine coolant filling
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specification (A001061/..) is available.
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Coolant
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.
CAUTION
Cold coolant in hot engine can cause thermal stress.
Formation of cracks in components!
• Fill / top up coolant only into cold engine.
Engine coolant filling
1. Turn breather valve on coolant expansion
tank counterclockwise to first stop and allow
pressure to escape.
2. Continue to turn breather valve counter‐
clockwise and remove.
3. Remove plug (required only for first fill).
4. Pour coolant into engine until coolant level
reaches lower edge of cast-in eye of filler
neck.
5. Install plug.
6. Check proper condition of breather valve
and clean sealing faces.
7. Fit breather valve onto filler neck and close
it.
8. Start the engine and operate it at idle speed
for some minutes.
9. Check coolant level (→ Page 159) .
162 | Task Description | MS150031/03E 2011-10
TIM-ID: 0000006726 - 001
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