Operation0750−1/A1
Winterthur Gas & Diesel Ltd.
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2.4 Oil Samples
At regular intervals, (i.e. at approximately each 300 operation hours), it is
recommended that you get a sample of the system oil. Send the the sample of the
system oil to a laboratory to make an analysis. The analysis must include ISO 4406
particle counts for samples taken from downstream of the coarse filter or fine filter.
Get the sample from downstream of the filter, before the oil flows into the main oil
gallery or the servo oil system. Get a sample of system oil as follows:
1) Make sure that the oil pump operates and the engine oil is at the correct
temperature for operation.
2) Put an applicable container below a ball valve in the lubricating system.
3) Open the ball valve to flush out possible dirt.
4) Close the ball valve.
5) Use some oil to clean the container.
6) Put the container below a ball valve.
7) Open the ball valve to get a sample.
8) Close the ball valve.
9) Put the sample in a bottle.
10) Write the data that follows on the bottle:
D Name of the ship or name of plant
D Engine type
D Engine serial number
D Date of sample
D Operating hours of oil and of engine
D Location of the sample point
D Oil brand and quality.
2017−08
Lubricating Oils
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