4.5 Preparing the engine for extended out-of-service period
Preconditions
☑
MTU Preservation and Represervation Specifications (A001070/..) are available.
After stopping the engine
Item
Action
Coolant circuit
Drain engine coolant (→ Page 128). Drain charge-air coolant (→ Page 140).
There is a danger of freezing if:
•
engine is to remain out of service for an extended period and engine
coolant has no antifreeze additive;
•
the coolant is not maintained at a suitable temperature;
•
antifreeze concentration is 40% 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 engine's air and exhaust sides.
Out-of-service-period > 1 month:
•
Preserve engine (→ MTU Preservation and Represervation Specifica-
tions A001070/..).
40 | Operation | MS15042/00E 2014-10
TIM-ID: 0000002322 - 005
