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About: Mary Messuti

Recent Posts by Mary Messuti

Sources of Silver

Sources of Silver
Sources of Silver Silver is a wear metal used as an overlay on some bearings, such as journal bearing for gas turbines or wrist pin bearings on EMD locomotive engines. Silver from these parts will increase disproportionately with iron. Zinc additized oils will accelerate the corrosion of silver in these applications, therefore the use of…
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Testing Lubricants for Compatibility

Testing Lubricants for Compatibility
Testing Lubricants for Compatibility TestOil offers lubricant compatibility analysis using ASTM D 7155 as the guideline for compatibility testing. If test results show signs of minor incompatibility you must evaluate the potential impact. Do the mixtures show a decreased ability to resist oxidation? Will this result in a shortened lubricant life and therefore increased cost…
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TestOil Named Weatherhead 100 Winner, Again!

TestOil Named Weatherhead 100 Winner, Again! It is an honor to be named one of the fastest growing companies in Northeast Ohio and we are proud to be included on this list alongside many other great companies. This is the sixth consecutive year that TestOil has made the list. The Weatherhead 100 was established to…
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Sources of Copper

Sources of Copper
Sources of Copper Copper usually appears in fluid samples as a wear metal, most often arising from brass or bronze components. Whether gears, bearing cages, guides, bushings, or piston shoes, brass and bronze parts are alloys of copper lead, tin, and/or zinc. Being an alloy, the wear metals from these parts will remain proportional as…
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Why One Oil Sampling Point Isn’t Always Enough

Why One Oil Sampling Point Isn't Always Enough The starting point of any great oil analysis program begins with obtaining representative samples. The goal of oil sampling is to maximize data density while minimizing data disturbance. You maximize data density by sampling in the right location with the right equipment at the right time. Often,…
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How Much is a Shot of Grease?

How Much is a Shot of Grease?
How Much is a Shot of Grease? Answer: Generally, a shot of grease means one stroke from the grease gun. However, the output, or amount of lubricant dispensed from a grease gun depends on the model. Grease guns deliver widely varying amounts of grease (typically 0.1 ounce or 2 to 3 grams). Also, don't forget…
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