FIELD: engine engineering. SUBSTANCE: fuel system has fuel tank 1, auxiliary pump 2, systems for pre-starting heating with filter 9 and electric heater, pump 3 of the heater, burner 4, supply system with additional pump 5, high pressure fuel pump 6, and spraying nozzles 7. Filters 8 and 10 are mounted inside sucking lines of pumps 2 and 6. The inlet of auxiliary pump 2 is connected to fuel tank 1 through filter 8 and double-position cock 11. The inlet of auxiliary pump 2 is also connected with outer tank 13, which is filled with fuel, through double-position cock 11 and filling hose 12. Throttle 14 is mounted at the inlet of auxiliary pump 2. The outlet of the throttle is connected with check valves 15 and 16 and also with the inlets of pump 3 through filter 9 and with inlets of pump 5. Drains of fuel pump 6, spraying nozzles 7, and burners 4 are connected with the inlets of pumps 3 and 5 through drain pipe lines 17,18, and 19. EFFECT: enhanced reliability. 7 cl, 5 dwg
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