Operating instructions

4.18 After stopping the engine
Preconditions
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
After stopping the engine
Item Action
Coolant circuit Drain coolant (→ Page 166) if:
• freezing temperatures are expected and the engine is to remain out of
service for an extended period, but engine coolant has no antifreeze
additive;
• the engine room is not heated;
• the coolant is not kept at a suitable temperature;
• the antifreeze concentration is insufficient for the engine-room tempera‐
ture;
• antifreeze concentration is 50 % and engine-room temperature is below
-40 °C.
Raw water Drain
• If freezing temperatures are to be expected and the engine is to remain
out of service for an extended period.
Engine control system Switch off.
Air intake and exhaust sys‐
tem
Out-of-service-period > 1 week
• Seal engine's air and exhaust sides.
Engine Out-of-service-period > 1 month
• Preserve engine (→ MTU Fluids and Lubricants Specifications
A001061/.. )
104 | Operation | M015412/03E 2012-02
TIM-ID: 0000002324 - 006