Engine lubricating oil circuit cleaning machine

The invention discloses an engine lubricating oil circuit cleaning machine. The engine lubricating oil circuit cleaning machine comprises an upper cover, a machine body, a large oil drum and a small oil drum. An oil-injection pressure gauge, an oil-pumping pressure gauge, a main control panel and a temperature control panel are installed on the upper cover; an air pressure control valve, a first oil valve, a second oil valve, a heater, a temperature inductor, an oil-injection motor, an oil-pumping motor, a filter, an air pressure inductor, an air pressure gauge, a filter oil container, a thirdoil valve and a fourth oil valve are installed on the machine body; the temperature inductor and the heater are electrically connected with the temperature control panel through wires correspondingly; the temperature control panel, the oil-injection motor and the oil-pumping motor are electrically connected with the main control panel through wires correspondingly; and the oil-injection pressuregauge is connected with th