4.7 After stopping the engine – Putting the engine out of
operation
Preconditions
☑
MTU Preservation and Represervation Specifications (A001070/..) are available.
NOTICE
Coolant sensors may freeze if there is a risk of frost.
Risk of sensor damage!
• Protect sensors from frost.
After stopping the engine
Item
Action
Coolant circuit
Drain engine coolant (→ Page 88) and
Drain charge-air coolant (→ Page 100) if
•
freezing temperatures are expected, 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.
•
the antifreeze concentration is 50 % and the engine-room temperature
is below -40 °C.
Engine Control System
Switch off (see manufacturer's documentation).
Air intake and exhaust sys-
tem
If the engine is to remain out of service for more than one week, seal the en-
gine's air and exhaust sides. Otherwise, the components that carry air or ex-
haust gas are at risk of corrosion.
If the engine is to remain out of service for more than one month, carry out
preservation (→ MTU Preservation and Represervation Specifications
A001070/..).
MS150117/01E 2014-10
| Operation | 33
TIM-ID: 0000002709 - 008
