Operation0270−1/A1
Winterthur Gas & Diesel Ltd.
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5. Cylinder Lubricating Oil
When you do a manual or automatic change−over of the fuel, you must make sure
that you change to the correct cylinder lubricating oil at the same time. This prevents
damage of the piston running system because of an incorrect BN. For more data refer
to 0750−1, Lubricating oils.
WinGD recommends to monitor the change−over of the cylinder lubricating oil. Do a
calculation of the cylinder lubricant quantity and make sure that you know cylinder
lubricating feed rate.
1) Make sure that you know the cylinder lubricant quantity that is between the
change−over valve and the lubricating quills including the measurement tube.
2) Calculate the related lead time that the cylinder lubricating oil has to get to the
lubricating quills.
3) Use this lead time to have the correct timing for the change−over of the cylinder
lubricating oil.
Note: When you change from MDO to HFO, WinGD recommends to start the
change−over of the cylinder lubricating oil from low BN to high BN
already inside the ECA zone. This prevents operation with high sulphur
fuel and low BN cylinder lubricating oil.
Change-over from Heavy Fuel Oil to Marine Diesel Oil and Back
2017−08
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