General Notes on Maintenance Work
MAN Marine Diesel Engines D2868 LE4.. / D2862 LE4..
6
Maintenance Schedule for Light Duty
3.5 When checking for leaks of oil, coolant and fuel
S Carry out visual check of engine exterior (crankcase, cylinder heads etc.) for emergence of oil.
S Carry out visual check of all fluid‐containing parts (reservoirs, pipes, hoses) for leaks.
S Carry out visual check of pipes and hoses to see whether they are correctly routed or show chafing
marks.
3.6 When checking the turbochargers
Carrying out a visual inspection of turbochargers for:
S Traces of contact between the compressor impeller and the compressor housing
S Deformation of the blades, damage to the leading edges of the blades, due to the action of foreign bo
dies
S Condition of oil outlet in the compressor and exhaust gas housing
Testing of the turbochargers for:
S Smooth running of the rotor shaft
S Cecking of mounting bolts on the compressor rear wall and the exhaust gas housing for force fit
S Firm seating of and damage to the connections for the oil supply and return system and their sealing
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