When should we replace hydraulic filter element ?

Hydraulic excavators generally need to be replaced after 2000 hours of operation, otherwise the system will be polluted and cause system failure. According to statistics, about 90% of hydraulic system failures are caused by system pollution.

In special circumstances, if the machinery uses low-grade diesel (sulfur content in diesel oil is 0.5% ~ 1.0%), the diesel filter and machine filter should be replaced every 150h; Machine filter. Use crushers, vibratory rammers and other equipment that have a large load on the hydraulic system. The replacement time of the hydraulic oil return filter element, pilot filter element and respirator filter element is every 100h.