After Stopping The Engine - MTU 20 V 4000 M93 x Operating Instructions Manual

4.17 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 158) 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 tem-
•
perature;
• antifreeze concentration is 50 % and engine-room temperature is be-
low -40 °C.
Drain
If freezing temperatures are to be expected and the engine is to re-
•
main 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/.. )
MS150048/04E 2013-07 | Operation | 73