4.6 After stopping the engine
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 102);
Drain charge-air coolant (→ Page 109) 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.
Engine control system
Switch off.
Air intake and exhaust sys-
tems
Out-of-service-period > 1 week:
• Seal engine's air and exhaust gas openings.
Out-of-service-period > 1 month:
• Carry out engine preservation (→ MTU Preservation and Represervation
Specifications A001070/..).
32 | Operation | MS15033/02E 2015-02
TIM-ID: 0000031879 - 003
