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Updated: July 8th, 2008 05:26 PM EDT
What is Your Fluid Telling You?
Learn how to use fluid analysis reports to spot potential problems
Physical characteristics can identify gross contamination in a fluid sample. For example, significant water contamination is visible in this emulsified oil sample.
A senior lab technician at POLARIS Laboratories starts a titrator used for testing TBN, a measure of a lubricant's ability to neutralize acid.
The lab technician initiates testing of an oil sample's TAN (acid number) via titration. As oil degrades, the acid number will increase as a result of oxidation, water, fuel or other contaminants.
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By Kim Berndtson
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In the end, fluid analysis is a tool in the toolbox. Just being able to read a report isn't effective if you don't manage the entire program. This includes taking samples properly and consistently, then following through by managing the data and consulting additional diagnostic tools.
"Fluid analysis isn't the be-all/end-all of a maintenance program," says Minges. "Use it in conjunction with other tools such as vibration readings, pressure check readings, etc. Look at them simultaneously to make the best decision about your fluids and your equipment."
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