Table 7-3 Engine oil selection
Recommended Oil BNFuel
BN 4–7Mainly gas / occasionally LFO
BN 20Mainly gas / occasionally HFO
For more information about oil selection, please refer to Service Bulletin WS02N001.
7.1.2 Oil in speed governor or actuator
An oil of viscosity class SAE 30 or SAE 40 is acceptable in normal operating conditions. Usually
the same oil as in the engine can be used. At low ambient temperatures it may be necessary
to use a multigrade oil (e.g. SAE 5W-40) to ensure proper operation during start-up with cold
oil.
7.1.3 Oil in turning device
It is recommended to use EP-gear oils, viscosity 400-500 cSt at 40°C = ISO VG 460.
An updated list of approved oils is supplied for every installation.
7-2 DBAD209883
Wärtsilä 46DF Product Guide7. Lubricating Oil System
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