Specific lubricating oil consumption - SLOC
General
Engine type RPM SLOC [g/kWh]
1)
Max. [l/cyl 24h]
L16/24, L16/24S 1000/1200 0.4 - 0.8 2.3
L21/31, L21/31S 900/1000 0.4 - 0.8 4.7
L23/30H, L23/30S, L23/30DF 720/750 0.4 - 1.0 3.9
L23/30H, L23/30S, L23/30DF 900 0.4 - 1.0 4.7
L27/38, L27/38S (330 kW/cyl) 720/750 0.4 - 0.8 7.0
L27/38 (350 kW/cyl) 720/750 0.4 - 0.8 7.5
L28/32H, L28/32S, L28/32DF 720/750 0.4 - 1.0 5.6
V28/32S (H) 720/750 0.4 - 0.8 5.2
1)
Max lubricating oil consumption per cyl per 24 hours
Description
Please note
▪ Only maximum continuous rating (P
MCR
(kW)) should be used in order to
evaluate the SLOC.
▪ During engine running-in the SLOC may exceed the values stated.
The following formula is used to calculate the SLOC:
In order to evaluate the correct engine SLOC, the following circumstances
must be noticed and subtracted from the engine SLOC:
A1:
▪ Desludging interval and sludge amount from the lubricating oil separator
(or automatic lubricating oil filters). The expected lubricating oil content of
the sludge amount is 30%.
The following does also have an influence on the SLOC and must be consid-
ered in the SLOC evaluation:
A2:
▪ Lubricating oil evaporation
▪ Lubricating oil leakages
▪ Lubricating oil losses at lubricating oil filter exchange
The lubricating oil density, ρ @ 15°C must be known in order to convert ρ to
the present lubricating oil temperature in the base frame. The following for-
mula is used to calculate ρ:
2016-12-13 - en
Description
Specific lubricating oil consumption - SLOC
1607584-6.11
MAN Diesel & Turbo
B 12 15 0
L28/32H; L27/38; L23/30H; L21/31; L16/24; V28/32S; V28/32H;
L28/32DF; L23/30DF; L16/24S; L21/31S; L27/38S; L28/32S; L23/30S EN
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