4 Operation
4.1 Preparations for recommissioning the engine after extended
out-of-service periods (>3 months)
Preconditions
☑
Engine shut down and secured against being restarted.
☑
MTU Corrosion-proofing and Reproofing Regulations (A001070/..) are available.
Recommissioning after long out-of-service periods (>3 months)
Item
Action
Engine
Remove corrosion-proofing (→ MTU Corrosion-proofing and Reproofing Regu-
lations A001070/..).
Valve gear
Lubricate valve gear every ≥ 6 months (→ Page 70).
Oil lubrication system
Check engine oil level (→ Page 88).
Crank engine using starting system (→ Page 63).
Fuel prefilter
Fill with fuel (if fitted).
Coolant system
If engine has been out of service for more than 1 year, change engine cool-
ant (→ Page 102).
Change charge-air coolant (→ Page 110).
Coolant system
Check engine coolant level (→ Page 101);
Check charge-air coolant level (→ Page 114).
Coolant system
Preheat coolant with coolant preheating unit (if available).
Engine Control Unit
Check electrical connections (→ Page 127).
High-pressure fuel pump
Only on engines without oil priming pump
Fill HP fuel pump with fresh engine oil (→ Page 76).
30 | Operation | MS150026/02E 2013-11
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