Have you ever seen a sudden spike in particle count for a stable circulating oil system, where no oil has been added or lost? Check to see if the oil filter was changed just prior to the oil sample date. It is not uncommon for a spike in particle count after changing oil filters due to the "disturbance" to the system.
Therefore, don't be too zealous in changing filter elements purely on a calendar basis. Take full advantage of the operating life of your elements, and only change them when they have reached their load capacity, or have been in the system up to their manufacturer's recommended service life. (Brian Mann, rotating equipment specialist, ConocoPhillips)
Join us in Columbus, Ohio for the Lubrication Excellence 2009 Conference and Exhibition on September 1-3.
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