8.14.4 Engine coolant – Filling
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are 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.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
NOTICE
Cold coolant in hot engine can cause thermal stress.
Possible formation of cracks in the engine!
• Fill / top up coolant only into cold engine.
Preparatory steps
1. Turn breather valve (1) on coolant expansion
tank counterclockwise to the first stop and
allow pressure to escape.
2. Continue to turn breather valve (1) counter-
clockwise and remove.
Filling engine coolant
1. Pour in coolant via filler neck on expansion tank.
2. Check proper condition of breather valve (1), clean sealing faces if required.
3. Fit breather valve (1) and close it.
172 | Coolant Circuit, General, High-Temperature Circuit |
MS15054/03E 2018-07
TIM-ID: 0000061049 - 001
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