Operation
MAN marine diesel engines D2868 LE4.. / D2862 LE4..
68
Carefully read through the Operating Instructions before starting any work!
This particularly applies to the General Safety Instructions section
and the safety instructions in the various chapters.
7.5 Running the engine for ship operation
7.5.1 Operating ranges for marine engines
Speed in %
Relative load MMDS %
(1) Acceleration
S Brief operation for increasing the load by increasing the rpm
S Speed less than 100% of the rated speed
S If there is prolonged operation with overload, a warning is output via the MMDS
S Continuous operation is allowed for "heavy" operating mode
S Continuous operation is not allowed for medium and light operating modes
(2) Normal operation
S Continuous operation allowed, limit speed 100 to 102% of rated speed
(3) "As new" condition
S Operating range for new, fully laden ship
S Continuous operation allowed, limit speed 102 to 104% of rated speed
(4) Low load
S Operating range for relatively high rpm and low loads
S Continuous operation allowed but inefficient
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