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 90).
Oil lubrication system Check engine oil level (→ Page 110).
Crank engine using starting system (→ Page 80).
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 123).
Change charge-air coolant (→ Page 133).
Coolant system Check engine coolant level (→ Page 122);
Check charge-air coolant level (→ Page 132).
Coolant system Preheat coolant with coolant preheating unit (if available).
Engine Control Unit Check electrical connections (→ Page 151).
High-pressure fuel pump Only on engines without oil priming pump
Fill HP fuel pump with fresh engine oil (→ Page 96).
M015695/03E 2013-03 | Operation | 49
TIM-ID: 0000002200 - 005
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