FIELD: mechanical engineering; diesel engines; repair and maintenance appliances. SUBSTANCE: proposed invention makes it possible to clean fuel nozzle and cylinder-piston group of diesel engine from gum and carbon deposits and diagnose condition of fuel nozzle. Device has feed pump, tank with washing liquid, high-pressure pump, high-and low-pressure pipelines. Device is furnished with drive electric motor connected through clutch with high-pressure pump. High-pressure pump is connected with feed pump through clutch and low-pressure pipeline in which low pressure gauge is installed. Shutoff valve and fine cleaning filter are installed in tandem in low- pressure pipeline connecting tank with washing liquid and feed pump. EFFECT: facilitated cleaning of diesel engines. 3 cl, 2 dwg
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