Operation7218−3/A1
Winterthur Gas & Diesel Ltd.
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CAUTION
Equipment Hazard: The Wärtsilä PU Drain Oil Analysis Tool and
its recommendations are only applicable for cylinder lubricating
oils with a base number more than or equal to 40 (BN ≥ 40).
You can use the Wärtsilä PU Drain Oil Analysis Tool to collect your data. You can see
examples of its analysis in Fig. 2 and Fig. 3.
The tool is available at http://www.wartsila.com/products/marine−oil−gas/
engines−generating−sets/low−speed−rt−flex−engines
For more data, speak to or send a message to Wärtsilä Services Switzerland Ltd.
Fig. 2: PU Drain Oil Analysis Tool − Residual BN in Relation to the Engine Load
Fig. 3: PU Drain Oil Analysis Tool − Iron Content in Relation to the Engine Load
Note: If the engine operates with fuel that has a sulphur content less than
0.1% m/m (and a cylinder lubricating oil with a base number (BN) between
15 and 25) the minimum value of the residual BN value is 10 mg/kg. For
more data, refer to 0750−1 Lubricating Oils.
2015-12
Feed Rate − Adjustment
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