The pilot filter element is a specialized filter element for hydraulic system control circuits,installed after the output of the pilot pump and before the pilot oil circuit of the handle.Used to filter metal debris,rubber shavings,and impurities in the hydraulic oil of the pilot system,providing clean control fluid to the operating handle,foot valve,safety lock solenoid valve,and main valve core.The pilot system is the control nerve of the whole machine.Although the pilot pressure oil has low pressure,the cleanliness of the oil directly affects the sensitivity of the whole machine operatio...