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Elevated Copper Levels in Oil Analysis Reports-Doug's Tip of the Month

What can High Copper Levels mean?

Recently I have reviewed many Used Oil Analysis reports that indicated elevated Copper levels. Although Copper is considered a Wear Metal, there are instances or situations that can occur where higher than normal levels of copper can exist. This can also be true with other Wear Metals like iron, lead, aluminum, and chromium, where the analysis readings were raised or lower than normal.

Back to Copper. There are many reasons why copper could be high, but it usually comes down to either wear, or the copper is leaching into the oil from cooler lines or components due to new equipment break in. By looking at other wear metals and elements such as tin and/or zinc for instance, equipment wear can be rules out or confirmed. If the other wear mechanisms are not present in the oil sample analysis, then most likely the culprit for high copper levels is in fact the oil cooler and components.

The break in or leaching of copper levels into the oil can be either slowed or increased depending on Diesel Engine Oil formulations. Sometimes, converting from one brand to another these levels of copper would increase or decrease. Therefore, it is always important to look at the analysis reports and the elements in it’s entirety before drawing any conclusions.

Most often we have seen these issues with Caterpillar equipment. In 2003 CAT issued bulletin SEBD9318-00 to address this issue. It says in part “These elevated copper levels can be dramatic. Customers that observe these elevated copper levels are very concerned about excessive wear or component failure. In most cases, the customer should not be concerned about these elevated copper levels: the condition does not usually indicate excessive wear and/or component failure. However, it is important to understand the cause of the condition.”   Again, it is important to review the UOA Reports completely to have a better understanding of the oil and equipment condition.

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Are You Maximizing your Equipment's Efficiency?

We talk a great deal around here about proactive solutions - ideas and programs that, with a little time and capital ultimately save us time, money, and maybe most importantly - save us from the headaches of unanticipated problems. A major proactive plan that's been awesome for ourselves and several of our customers is Oil Analysis. 

What if you could get an analysis emailed to you every time you PM'ed your fleet  - whether that was tractors, heavy construction equipment, or a specialty machine?

What if that analysis could tell you your equipment may have a slow coolant leak, or your system showed a little corrosion? 

With that kind of heads up, you could proactively schedule down time for that equipment to be repaired without dealing with the chaos from equipment failure. 

What if on top of that, your report let you maximize oil drain intervals?

With that info, you could schedule your maintenance out more easily, and save on your overall lubricant spend in many cases. 

CITGO has a calculator on their site you can calculate what oil analysis may save your business based on mileage, fleet size, etc 

(CITGO offers this analysis to Dennis K Burke customers for FREE on qualified engine oils, so you can try it no risk and see if it adds value to your bottom line..... Dont use engine oil? No problem - Dennis K Burke offers an analysis program for Industrial & Specialty Equipment as well )

You can read more about Oil Analysis benefits in general (especially for industrial equipment) on the WearCheck USA site here: http://www.wearcheck.com/ 

The peace of mind from knowing your fleet is running at maximum efficiency, and your mechanics have a heads up of small engine issues before they result in catastrophic failures and downtime alone is worth it. 

If you would like more info on Oil Analysis in general, or how DKB can help you get started, fill out the contact form on the right or call us anytime.

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