4.11 After stopping the engine – Putting the engine out of
operation
Preconditions
☑
MTU Fluids and Lubricants Specifications (A001061/..) are available.
After stopping the engine
Item
Measure
Coolant circuit
Drain engine coolant (→ Page 159)
Drain mixture coolant (→ Page 165) if:
• freezing temperatures are expected and the engine is to remain out of
service for an extended period, but engine coolant has no antifreeze addi-
tive;
• 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.
Power supply to engine con-
trol system
Switch off.
Gas supply
The gas shut-off valves with control solenoids are not included in the scope
of supply of the engine. The components are controlled by the engine elec-
tronics.
Air intake and exhaust sys-
tems
If the engine is to remain out of service for more than 1 week, seal the en-
gine's air and exhaust sides. If the engine is to remain out of service for more
than 1 month, carry out preservation (→ MTU Preservation and Represerva-
tion Specifications A001070/..).
Starting system
Disconnect electric starter from power supply.
Table 20: After stopping the engine
MS150098/02E 2016-11
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