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4.6 After shutting down the engine
Preconditions
☑
MTU Corrosion-proofing and Reproofing Regulations (A001070/..) are available.
After shutting down the engine
Item
Action
Coolant system
Drain coolant (→ Page 103), (→ Page 112), 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;
• coolant is not preheated;
• antifreeze concentration is 50 % and outside temperature is below -40 °C.
Engine control system
Switch off.
Air intake and exhaust sys-
tem
Out-of-service period > 1 week:
Seal off engine's intake and exhaust systems.
Out-of-service period > 1 month:
Corrosion-proof engine (→ MTU Corrosion-proofing and Reproofing Regula-
tions A001070/..).
34 | Operation | MS150027/02E 2013-02
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