POLLUTION FROM EXTERNAL SOURCES (Final Part)
Examined during the first part
Being the hydraulic reservoir not a big one, and since it was utilized to feed up an hydraulic piston with a discrete stroke, the oil level variation inside the tank was huge and consequently the same was for the quantity of air coming in and out from the tank to compensate these level changings. This big air flow dragged with it the above mentioned plastic dust, and the dust falling in the oil, polluted it.
To adopt for the reservoir air breathing , a corrected filtered breather, able to catch the microsferoidals particles. From then, this customer have never had components sizing or abnormal filter elements consumption.