If there’s something like this floating around inside your engine, you really
want to know about it!
When implementing a condition-monitoring pro-
gram, it’s crucial to understand that there are three
distinct sizes of metal particles that we’re looking for:
• Large particles or flakes that cannot pass
through the suction screen.
• Tiny particles that are too small to be caught by
the suction screen and get trapped in the oil filter.
• Microscopic particles that are too small to be
trapped by the oil filter.
To detect large particles or flakes,
we cannot rely on filter inspection
or oil analysis, because large stuff
never makes it to the filter or into
the sample jar.
Therefore, our condition-monitoring program
must comprise three distinct elements.
Since microscopic particles are too small to be
trapped by the oil filter (and too small to see even if
some were trapped), we must place the engine on a
spectrographic oil analysis program (SOAP) to detect
abnormal wear events that throw off such microscopic metal particles. An oil sample should be
captured at every oil change and sent to the lab for
analysis. (I use and highly recommend Blackstone
Laboratories in Fort Wayne, Indiana.)
To detect tiny particles, we must remove and cut
open the oil filter at every oil change. Tiny particles
The Winner‘s Propeller!
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