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As is often pointed out, ensuring lubricant cleanliness and avoiding lubricant contamination are essential to maximizing equipment life. Microscopic particulates in lubricants can reduce the useful life of equipment components and, in the worst cases, lead to sudden equipment failure, unplanned downtime and even safety risks.
The problem for equipment operators is that even new lubricants can become contaminated in transit, and may not meet the equipment manufacturer’s recommended ISO cleanliness standard upon delivery. As a result, many industrial operators subject all new oils they receive to on-site lubricant filtration. However, as we detailed in a recent Technical Bulletin, Impacts of Filtration on New Lubricant Performance, figuring out the right filtration method for your operations – if there is one – can be a time-consuming, expensive process without assurance of success. There is no “standard” filtration method or medium that will ensure that all oils used in an industrial operation will meet the cleanliness standards of the equipment for which they are intended without compromising performance.
To understand why filtration can be problematic, it’s helpful to understand the make-up of finished lubricant formulations. Finished lubricants contain a variety of additives, such as dispersants and detergents, demulsifiers, corrosion and foam inhibitors, and more. Some additives are fully dissolved in the oil, while others are dispersed in the oil as solid matter measured in microns. Depending on their molecular size or chemical composition, some additives may be at risk of being removed from the oil during filtration. Filters can remove additives by mechanical blockage – meaning that the additive particles are larger than the filter pores – or by adherence to the filter element, which can remove particles smaller than the filter’s rating. Moreover, additives that may be dissolved in the oil or microscopically dispersed can have chemical reactions with contaminants, such as water or particulate matter, causing them to form agglomerates, salts or gels that do not pass through the filter.
A crucial watch point when filtering lubricants is foam performance. Modern foam inhibitors may be more stable in finished lubricants, as they are more finely dispersed in the oil, but still remain vulnerable to removal by filtration. Filtration can remove enough of the oil’s foam inhibitors to cause excessive foaming. Filtration can also adversely affect a lubricant’s ability to shed water when demulsifiers are removed. In either case, a heavily filtered oil may not perform as expected, putting the equipment at risk.
It’s tempting to select a low-micron, high-efficiency filter and perform the filtration under ambient conditions – for example, using a portable kidney loop on a bulk or day tank. This might allow operators to reach or even exceed cleanliness targets, but it might also deplete critical additives and have an adverse impact on post-filtration performance.
Particular care must be taken to avoid damaging the lubricant while it is being cleaned. In order to mitigate the risk of additive removal, operators need to understand the chemistry of the lubricant being filtered, along with filtration parameters such as operating conditions, process temperatures, filter media and flow rate. These parameters need to be standardized and tested thoroughly to ensure no harm is done to the lubricant. Since the results of filtration are highly application- and product-specific, it is important to develop an effective, repeatable process. A lack of process consistency can easily lead to unexpected results and damage the lubricant.
Our technical bulletin details a wide variety of tests that have been performed to determine the effectiveness of different filtration methods on specific lubricants under a range of conditions. It is essential information for anyone considering an investment in on-site filtration as a solution for lubricant cleanliness. A more efficient solution, however, is having your lubricant supplier perform the necessary testing and certify that each new, fully formulated oil meets the ISO cleanliness standards for its application upon delivery. Contact us to learn more about Chevron’s ISOCLEAN® certification program.
We are excited to introduce a redesigned, updated ISOCLEAN® Recommended ISO 4406 Specs quick links sheet for ISOCLEAN customers.
The one-page link sheet is easy to use and a gear oils spec sheet has been added. The category spec sheets are organized by industry and by component.
As equipment continues to evolve and customers become more aware of the effects contaminants are having on their equipment, it will be important for them to have this capability and evolve their business. Particle contamination is the No. 1 cause of lubricant related failure in equipment. It makes sense to solve this problem, starting with Chevron ISOCLEAN Certified Lubricants is the first step to maximizing equipment life.
The Chevron ISOCLEAN Certified Lubricants program is the industry-leading solution for customers to meet their equipment manufacture fluid cleanliness.
Get to the next level and be on the leading edge with Chevron ISOCLEAN Certified Lubricants!
TOLEDO, Ohio (Aug. 12, 2022) — Interested in reducing downtime, lowering maintenance costs and extending your equipment life? Of course you are!
Healthy fluids are critical to the performance of a heavy-duty vehicle, whether it’s a long-haul truck or an excavator on a construction site. From the engine oil to the coolant to the transmission, gear and axle fluids, contaminants can interfere with a vehicle’s smooth and productive operation. In fact, fluid contamination is a leading cause of downtime and higher maintenance costs.
There’s a common misconception that, simply by changing out the fluids at the OEM’s recommended intervals, you are doing enough to ensure your fluids are clean. There are two issues with that. First, you are missing the opportunity to extend drains well beyond the manufacturer’s recommendation, which is increasingly possible with today’s diesel engine oils. Longer drain intervals are a key strategy in reducing maintenance costs. Secondly, contaminants in the oil can be indicators of problems elsewhere in the vehicle. For example, traces of metal such as copper or aluminum in the oil is a sign that some metal parts, bearings or components are experiencing wear and need to be inspected.
Those are among the reasons that Chevron and other lubricant suppliers wholeheartedly recommend a systematic, in-service fluid analysis program for fleets of all sizes, even small owner/operators, and across both on- and off-highway segments. A fluid analysis program is far easier to implement than you might think. And far from being an added expense, it is an investment that will likely pay you back in the form of reduced downtime, lower maintenance costs, and extended equipment life.
A fluid analysis program typically involves three parties: the fleet maintenance manager, a laboratory that actually performs the analysis, and a partner who can help you analyze the lab’s findings and determine the appropriate action – most likely your lubricant supplier. (Chevron provides this service to our customers free of charge.)
The fleet manager’s job is to take oil samples on a regular schedule and send them to the lab. To ensure you get reliable results, it’s important to follow proper sampling procedures and use the right equipment. Simply opening the drain plug and capturing whatever flows out is not going to give you satisfactory results. The oil may get contaminated from dirt in the environment or even lint from the rag used to open the plug (something we commonly see). The proper bottle, tubing and vacuum pump for obtaining samples are inexpensive and readily available from a variety of sources. For the best representation of the condition of the fluid, take samples from as close to the middle of the fluid reservoir as possible, rather than the top or the bottom. Newer vehicles have been designed to accommodate this.
Just as important as the quality of the sample is the data you provide with it. Make sure you have the accurate unit number and the name of the specific product being used, which the lab will match against its own sample.
Labs can turn the analysis around in as little as 24 hours if needed. You will receive a report that is color coded – red, yellow or green – depending on the severity of the findings. Green means you can continue to operate and monitor the equipment as usual. Yellow indicates some cautionary notes you should be aware of, and red means you have a problem that needs attention. One of the benefits of doing sampling on a regular schedule is that you can see trending over time and whether a problem is getting worse, making it easier to pinpoint the source. As noted earlier, you can share the findings with your lubricant provider, who can help you understand the report and should be able to help you determine what to do if the fluid or additives are showing signs of contamination, metal wear, or degradation.
While this type of program pertains primarily to engine oil, it’s worth quickly noting the importance of coolant analysis as well. Fortunately, it entails far fewer steps and can usually be done in-house. You can use test strips that match the specific coolant technology you are using to check the additive and Ph levels. You can use a refractometer to test the freeze point. The simple tests, however, are the “visual and smell” tests – if the color is close to the original when the fluid was installed, and the odor is not unusual, your coolant is probably in good shape.
Given the relatively low cost and the potentially high payback, it makes sense to invest in a fluid analysis program – a proven and effective way to make sure your equipment is in top operating condition and can perform beyond its life expectancy.
This year’s focus for Operation Safe Driver Week is speeding.
Safe Driver Week began Sunday, July 10, across the United States, Canada, and Mexico. Law enforcement will be on roadways throughout this week watching for commercial motor vehicle and passenger vehicle drivers engaging in unsafe driving behaviors, such as speeding, distracted driving, following too closely, improper lane change, drunk or drugged driving, etc.
At Shrader Tire and Oil, safety is always our No. 1 priority, whether its delivering products to one of our 14 fleet stores to getting your fleet back in service.
The Commercial Vehicle Safety Alliance’s (CVSA) Operation Safe Driver Program was created to improve the driving behaviors of all drivers and reduce the number of crashes involving commercial motor vehicles on our roadways through educational and traffic enforcement strategies. Operation Safe Driver Week was created by CVSA with support from federal agencies in Canada, Mexico and the U.S., the motor carrier industry, and transportation safety organizations.
This year’s campaign encourages everyone to slow down and travel at a safe speed.
“This safe driving initiative and campaign focuses specifically on drivers’ actions – whether it’s something a driver did, like speeding, or something they didn’t do, such as not paying attention to the driving task,” said CVSA President Capt. John Broers with the South Dakota Highway Patrol. “This focus on drivers’ behaviors is our effort to identify and educate drivers who are operating dangerously on our roadways, with the goal of preventing crashes from occurring.”
Earlier this year, the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHSTA) released its latest annual traffic crash report, showing that 38,824 lives were lost in traffic crashes nationwide in 2020 – the highest number of fatalities since 2007. And while the number of crashes and traffic injuries declined overall, fatal crashes increased by 6.8%.
Among the alarming statistics in NHTSA’s report was the key finding that speed-related fatalities increased by 17%. Consequently, speeding, in particular, will be a dangerous driving behavior that officers will identify and target during Operation Safe Driver Week.
“The rising fatalities on our roadways are a national crisis; we cannot and must not accept these deaths as inevitable,” said U.S. Transportation Secretary Pete Buttigieg.
Shrader Tire & Oil is committed to safety and welcomes the special focus this year on Safe Driver Week.
By Mark Barnes, Chevronlubricants.com
(June 20, 2022) — Are you losing the battle on extending equipment life? Are you changing your oil too often or having machine failures? Most companies are now realizing that maintaining clean oil is one of the best investments they can make, with contamination at the core of premature machinery failure and diminished lubricant life. However, many companies do not know where to start in preventing contamination or how to build the business case to get budgetary approval.Purchasing clean oil, such as ISOCLEAN® lubricant, is a great start. Equally important is keeping the oil clean while in use, since contamination often remains an overlooked factor behind premature machinery failure and diminished lubricant life. The ever-increasing cost of oil brings a heightened awareness of the need to minimize usage and waste, as well as a desire to prolong equipment life, making the economic case for protecting oil from contamination — from the time oil enters a facility until it leaves.
The two primary types of contamination are dirt and water. It stands to reason that if the atmosphere is contaminated (and most are to some degree), the oil is probably dirty, and lubricant quality is compromised. Unless you are using ISOCLEAN oils, most lubricants aren’t delivered clean. Particulate contamination, once inside an operating system, will accelerate the generation of new contaminants through abrasive and erosive wear. These contaminants damage critical components and act as a catalyst for oxidation, further degrading lubricant health.
If the atmosphere is particularly humid or has frequent temperature fluctuations, the oil is probably moisture-laden and lubricant quality is compromised. Oftentimes, plant wash down activities are responsible for inducing conditions that lead to moisture ingression and corrosion.
The good news is that these factors, which work together to threaten equipment reliability, can be effectively controlled with some preventative maintenance techniques. The best and easiest way to exclude contaminants is to start with clean oil by using ISOCLEAN oils and to keep the oil clean by deploying effective strategies to exclude and remove contaminants at the source.
A multi-faceted program that includes some simple proactive steps will conquer contamination. Oftentimes, starting a lubrication best practices program can feel overwhelming and stressful, but by using the right steps and the right support, the journey from poor lubrication to preferred practices can become a successful venture. Without careful planning, it can become an exercise in futility where nothing ever gets done, and nothing ever changes. So how do you make sure your lubrication journey is successful and not a failure?
Figure 1: Three steps to effective contamination control
Today, there’s tons of information found online, at training classes and workshops, as well as at conferences. But how do you sift through this plethora of information and make the right choices for your lubrication program? Before a lubrication best practices program can be created it is important to consider the industry and your applications. Every industry and every application are unique, and what’s right for someone in one environment isn’t what’s needed for someone else with a more critical application or different type of equipment with finer tolerances or a plant with different production schedules.
The path you take to reach your destination will depend on your circumstances, budget, and goals. You know where you’re starting from and you know the end goal: get the right amount of oil or grease in each machine, while ensuring that the lubricant is kept clean, dry, and cool. It’s pretty simple. But how do you get there? Maybe you handle oil in barrels, which means a small portable filter unit capable of mounting on top of the barrel is the best route. For smaller volume transfers, a sealed oil transfer container keeps oil clean while in storage and in use throughout the plant. In addition, a desiccant breather keeps the lubricant clean and dry while in use. It is a matter of selecting the best route to lead you to your goal.
Figure 2: A desiccant breather protecting the equipment from particle and moisture contamination.
Now you must decide who is actually going to do the lubrication. Do you prefer to have dedicated lubrication techs, general mechanics who also do lubrication, or is your goal to have operators do basic tasks? Each option has pros and cons but this decision is a major “fork in the road” that dictates other decisions down the road.
Once you have chosen the general direction, the choices become even more granular. After you make the “big picture” decisions (bulk vs. barrel, supplier A vs. supplier B, lube tech vs. operator), there’s a host of choices still to be made. For example, electric motor lubrication. Do you want to use a simple route-base process, which includes calculating the optimum volume and frequency to re-grease, or do you want to invest in an ultrasonic tool to make the process more rigorous? Both will give you good reliability if you apply the process correctly.
The decisions are endless: Which color should I color code gear oil? What tests should I do for hydraulic fluids? How should I monitor oil level in my process pumps? Will the electricians be responsible for motor lubrication?
The key is you have a path laid out and start to plan the options and preferences ahead of time to avoid going off course. Starting out with a goal to “improve our lubrication program” is not a plan – it’s a desire. Instead, each decision point should be mapped so options can be considered, and the right decisions made based on a combination of company goals, plant layout and operating environment.
The need for someone to “own” the plan is equally important. All successful lubrication improvements have a champion – the “voice of reason” – to coach and help steer the team into making the right decisions.
However, even the best laid lubrication plans often encounter unexpected issues, some harder to negate than others. The benefit of regularly scheduled oil samples warns of impending problems and drives continuous improvement. This can be the difference between a minor speed bump and a total and catastrophic breakdown.
Simple visual inspections can go a long way toward identifying problems before they become problematic. Using an oil level indicator to check oil levels and inspecting the color and clarity of the oil with a sight glass or bottom sediment bowl are great ways to identify potential issues. Other activities such as recording bearing temperatures with a non-contact infra-red pyrometer, looking at the color of the breather and direction of color change can all pinpoint emergent issues. A basic lubrication check sheet like those used by pilots for pre-flight checks are a good idea to make sure everyone is inspecting the lubricants and expecting the same results.
Figure 3: Replacing a flat sight glass with a 3D sight glass is a simple inexpensive modification that can greatly enhance the reliability of oil level checks.
Not every asset or equipment type is the same and thus, your lubrication best practice program will need to account for that. For example, set tighter limits on contaminants and other oil condition parameters to ensure production or safety on critical assets are kept under strict control. Also, an ISO cleanliness code of 19/17/14 and 500 ppm of water might be acceptable for a large, slow-turning gearbox. However, a more critical high-pressure hydraulic system with servo valves will need a much lower ISO code of 15/13/10 or better and no more than 100 ppm of water. Whenever you exceed those limits, you should be checking the breather and other points of ingression or employing supplemental filtration, until oil analysis tells you oil cleanliness is back in compliance.
Precision lubrication is not a destination, it is a journey. If we’re always looking for an end point where we intend to stop, complacency often sets in, and we slip back into bad habits. Like other reliability initiatives, precision lubrication is about creating a new culture where continuous improvement is built into everyday discussions.
There should be attention and planning about what kind of lubricants we select, how they will be stored, and how they will get from storage to the machine. From cradle to grave, lubricants will be exposed to contaminants, which must be addressed at source to ensure the oil arrives at its final destination, clean and contamination free.
Equipment life can be greatly extended through proper lubrication management, which effectively starts with breather protection, offline filtration, and oil sampling. In today’s competitive market, most companies are now realizing that maintaining clean oil is one of the best investments they can make to reduce premature machinery failure.
By utilizing options outlined above and implementing several contamination control techniques as best practices, maintaining clean, dry lubricants — and gaining the profitability that goes along with it — is easier than ever.
Shrader Tire and Oil proudly carries the Chevron line of heavy-duty and industrial lubricants. Recognized by Chevron as a 1st Source Elite Chevron Lubrication Marketer, Shrader Tire & Oil has attained the highest ranks of performance and customer satisfaction and is committed to the long-term success of your business.