4 Operation
4.1 Putting the engine into operation after extended out-of-
service periods (>3 months)
Preconditions
☑ Engine is stopped and starting disabled.
☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.
Putting into operation after long out-of-service periods (>3 months)
Item
Action
Engine
Depreserve (→ MTU Fluids and Lubricants Specifications A001061/..).
Valve drive
Lubricate valve drive every ≥ 6 months (→ Page 114).
Lube oil system
Check engine oil level (→ Page 146).
Bar engine with starting equipment (→ Page 108).
Fuel prefilter
Fill with fuel (if fitted).
Coolant circuit
If engine is out of service for more than one year, change engine coolant
(→ Page 155).
Change charge-air coolant (→ Page 166).
Coolant circuit
Check engine coolant level (→ Page 154);
Check charge-air coolant level (→ Page 165).
Coolant circuit
Preheat coolant with coolant preheating unit (if applicable).
Engine governor
Check plug connections (→ Page 184).
HP fuel pump
Only for engines without oil priming pump
Fill HP fuel pump with new engine oil (→ Page 119).
32 | Operation | MS150096/01E 2012-08
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