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This section is available on request - MAN Diesel & Turbo

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<strong>MAN</strong> B&W 9.02<br />

Basic and minimum setting with Alpha ACC<br />

The recommendati<strong>on</strong>s are valid for all plants,<br />

whether c<strong>on</strong>trollable pitch or fixed pitch propellers<br />

are used.<br />

Safe and very lubricating�ec<strong>on</strong>omical c<strong>on</strong>trol after<br />

running-in <str<strong>on</strong>g>is</str<strong>on</strong>g> obtained with a basic setting according<br />

to the formula:<br />

Basic lubricating oil setting = 0.20 g/kWh x S%<br />

with a minimum setting of 0.60 g/kWh, i.e. the setting<br />

should be kept c<strong>on</strong>stant from about 3% sulphur<br />

and downwards.<br />

Fig 9.02.01: Cylinder lubricating oil dosage with Alpha ACC at all loads (BN 70 cylinder oil) after running-in<br />

<strong>MAN</strong> B&W K98ME/ME�C, S90ME-C, K90ME/ME-C,<br />

S80ME-C, K80ME-C, S70ME-C/ME-GI, L70ME-C,<br />

S65ME-C/ME-GI, S60ME-C/ME-GI/ME-B, L60ME-C<br />

<strong>MAN</strong> <strong>Diesel</strong><br />

Page 2 of 6<br />

Due to the sulphur dependency, the average cylinder<br />

oil dosages rely <strong>on</strong> the sulphur d<str<strong>on</strong>g>is</str<strong>on</strong>g>tributi<strong>on</strong><br />

in worldwide fuel bunkers. Based <strong>on</strong> deliveries all<br />

over the world, the resulting yearly specific cylinder<br />

oil dosage <str<strong>on</strong>g>is</str<strong>on</strong>g> close to 0.65 g/kWh.<br />

Further informati<strong>on</strong> <strong>on</strong> cylinder oil as a functi<strong>on</strong> of<br />

fuel oil sulphur c<strong>on</strong>tent and alkalinity of lubricating<br />

oil <str<strong>on</strong>g>is</str<strong>on</strong>g> <str<strong>on</strong>g>available</str<strong>on</strong>g> from <strong>MAN</strong> <strong>Diesel</strong>.<br />

Absolute dosage (g/kWh)<br />

1.40<br />

1.30<br />

1.20<br />

1.10<br />

1.00<br />

0.90<br />

0.80<br />

0.70<br />

0.60<br />

0.50<br />

0.40<br />

0.30<br />

0.20<br />

0.10<br />

0.00<br />

0 0.5 1 1.5 2 2.5 3 3.5 4<br />

Sulphur %<br />

178 61 19�6.0<br />

198 38 89�0.8

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