
Material Identification Analysis
A detailed analysis of an oil sample is a valuable predictive maintenance tool. In many cases, the analysis enables identification of potential problems before a major repair is necessary, and it has the potential to reduce the frequencies of oil changes. However, there are times when the sample pulled from the system is anything but a traditional oil sample. In these cases, routine oil analysis will not answer the question at hand, and a different approach is required.
Material Identification Analysis is an in-depth investigation designed to identify the root cause of a problem or the origin of foreign material. The analysis employs various analytical and sample preparation techniques to assess the origin of the foreign material and provide recommendations for resolution. To learn more contact Sales@TestOil.com.
The case studies below illustrate the power of expanding beyond routine oil analysis to identify causes of fluid degradation, mechanical problems, and the anatomy of foreign contamination.
A wax based product was being used to coat aluminum parts. The product was melted and held in a tank before being applied to the parts via hoses and applicator blades. The applicator blades were frequently developing clogs, resulting in uneven coating of the parts. Samples of the new and used product were sent in for analysis, to see if the cause of the clogging could be determined. Analysis revealed that the product had been contaminated with calcium carbonate. It was subsequently determined that the wax product supplier had switched to a production location next to a concrete production facility, resulting in airborne particles of calcium carbonate contaminating the wax product. The product supplier was able to change back to their other production facility to resolve the issue.
Case Study #2It was noticed that the suction screen filter of a single-use lubricating system was coated with a black material. The suction screen was sent for analysis. It was determined that the black material was primarily polypropylene rubber and that the rubber hose through which the lubricant was being pumped was not compatible with the lubricant. Changing to a hose made of a material compatible with the lubricant resolved the issue.
Case Study #3Upon pulling a lubricant sample from a gearbox technicians noticed the sample contained significant amounts of different types of contamination: a pink gel-like substance, black rubber-like particles, and hard white particles. These different types of contaminants were identified as grease, silicone rubber, and phenoxy resin. The plant was able to identify the point of grease contamination and replace a damaged seal to resolve the issue.
Case Study #4After a tractor had undergone its third hydraulic replacement the maintenance crew decided to have a sample of beige sludge analyzed. Testing was able to identify the hydraulics had been severely contaminated with fertilizer due to the presence of compounds such as urea, nitrates, and phosphates. The company was able to clean, flush and re-charge the hydraulic fluid to resume normal operation of the tractor.

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