The utility model discloses an auxiliary device for replacing a fuel filter of an excavating machine. The auxiliary device comprises a fuel tank, an oil water separator, a fuel preliminary filter, a delivery pump for an engine, a fuel precision filter and a fuel injector, wherein the fuel ...
The mixed fuel with the oil is again fed to an injection pump 12 through a fuel-water separator 14 and a filter 15. In this way, in accordance with the degree of deterioration of the oil the oil is automatically replaced capable of displaying a stable performance of the engine.TANAKA ...