After Stopping The Engine - MTU 12 V 2000 M92 Operating Instructions Manual

4.11 After stopping the engine

Preconditions
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
After stopping the engine
Item
Coolant circuit
Raw water
Engine control system
Air intake and exhaust sys‐
tem
Engine
Action
Drain coolant (→ Page 108) 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.
Drain
• If freezing temperatures are to be expected and the engine is to remain
out of service for an extended period.
Switch off.
Out-of-service-period > 1 week
• Seal engine's air and exhaust sides.
Out-of-service-period > 1 month
• Preserve engine (→ MTU Fluids and Lubricants Specifications
A001061/.. )
M015700/06E 2012-06 | Operation | 49