This section is available on request - MAN Diesel & Turbo
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<strong>MAN</strong> B&W 8.01<br />
Lubricating and Cooling Oil System<br />
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Fig. 8.01.01 Lubricating and cooling oil system<br />
The introducti<strong>on</strong> of the ME engines has given r<str<strong>on</strong>g>is</str<strong>on</strong>g>e<br />
to the following modificati<strong>on</strong>s:<br />
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• The camshaft has been omitted<br />
• The mechanical type fuel pumps have been<br />
replaced by the electr<strong>on</strong>ically c<strong>on</strong>trolled fuel<br />
injecti<strong>on</strong> system<br />
• A Hydraulic Power Supply (HPS) unit has been<br />
introduced either mounted <strong>on</strong> the engine and engine<br />
driven (EoD 440 60) or separately mounted<br />
and electrically driven, opti<strong>on</strong> 4 40 660.<br />
As a c<strong>on</strong>sequence, the main pipes for camshaft<br />
lubricati<strong>on</strong> and exhaust valve actuati<strong>on</strong> have been<br />
omitted.<br />
The lubricating oil <str<strong>on</strong>g>is</str<strong>on</strong>g> pumped from a bottom tank,<br />
by means of the main lubricating oil pump (4 40 60 ),<br />
to the lubricating oil cooler (4 40 605), a thermostatic<br />
valve (4 40 6 0) and, through a full�flow filter<br />
(4 40 6 5), to the engine inlet RU, Fig. 8.0 .0 .<br />
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Page of<br />
<strong>MAN</strong> B&W ME/ME�C/ME�GI engines 198 42 30�4.2<br />
<strong>MAN</strong> <strong>Diesel</strong><br />
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The letters refer to l<str<strong>on</strong>g>is</str<strong>on</strong>g>t of ‘Counterflanges’<br />
* Venting for <strong>MAN</strong> B&W or Mitsub<str<strong>on</strong>g>is</str<strong>on</strong>g>hi turbochargers <strong>on</strong>ly<br />
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198 99 84�4.4<br />
RU lubricates main bearings, thrust bearing, axial<br />
vibrati<strong>on</strong> damper, p<str<strong>on</strong>g>is</str<strong>on</strong>g>t<strong>on</strong> cooling, crosshead bearings,<br />
crankpin bearings. It also supplies oil to the<br />
Hydraulic Power Supply unit and to moment compensator<br />
and torsi<strong>on</strong>al vibrati<strong>on</strong> damper.<br />
Lubricati<strong>on</strong> of turbochargers<br />
<strong>Turbo</strong>chargers with slide bearings are normally<br />
lubricated from the main engine system. AB <str<strong>on</strong>g>is</str<strong>on</strong>g><br />
outlet from the turbocharger, see Figs. 8.03.0 to<br />
8.03.04, which are shown with sensors for UMS.<br />
Figs. 8.03.0 to 8.03.04 show the lube oil pipe arrangements<br />
for different turbocharger makes.
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