MTU 20 V 4000 G23, Technical Publication

Page: 60 / 178

Operation 55
3.9 After stopping the engine – putting the engine out of service
Preconditions
• MTU Fluids and Lubricants Specification (A001061/..) is available.
After stopping the engine
Item Task
Cooling system Drain engine coolant ( → Page 137);
Drain charge-air coolant ( → Page 145) if:
• freezing temperatures are expected and the engine is to
remain out of service for an extended period and coolant
has no antifreeze additive;
• the engine room is not heated;
• the coolant is not maintained at a suitable temperature;
• the antifreeze concentration is insufficient for the engine-room
temperature;
• antifreeze concentration is 50% and engine-room
temperature is below -40°C.
Engine/generator control system Switch OFF.
Air intake and exhaust system
If the engine is to remain out of service for more than 1 week, seal
the engine’s air and exhaust sides. If the engine is to remain out
of service for more than 1 month, carry out preservation (
→ MTU
Fluids and Lubricants Specification A001061/..).
M015715/00E 06-08 © MTU