The performance and longevity of equipment can be greatly undermined by the contamination of hydraulic fluids and lubricants. Dirty fluid causes 80% of all hydraulics systems failures, according to design engineers.

The performance, life and reliability of hydraulic components are acutely sensitive to the quality and maintenance of the hydraulic fluid used in the system. Fluid Power experts concur, it pays to use a high quality hydraulic fluid, inspect fluid samples at regular intervals, and practice regularly scheduled preventive maintenance. By observing these simple precautions, system downtime will be reduced and the overall life of the hydraulic system will be increased. High-performance hydraulic systems require very clean oil to maximize performance and extend the life of system components. It is not unusual for high performance hydraulic equipment to “silt up” and perform erratically when subject to contamination.


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Hydraulic fluid contamination and deterioration are normal consequences for most hydraulic systems. Failure to adequately remove contaminants, or to change hydraulic fluid before severe fluid breakdown occurs, will lead to poor system performance.The most common hydraulic fluid contaminants are entrapped air and water, along with particles of metal, rubber or dirt. To maintain clean hydraulic fluid, samples must be taken regularly and appropriate maintenance should be conducted immediately.

Regular monitoring and maintenance of the hydraulic fluid promotes the maximum operating performance and increases the service life of the hydraulic system and its components. Join us for a seminar on Service and Operation for Hydraulic Systems Reliability, August 11-Aug 15 to learn more about improving the longevity of your hydraulic systems.