LUBRICATING AND CLEANING METHOD OF FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINE AND FUEL INJECTOR FOR INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To supply lubricant and cleaning additive to fuel injectors to prevent wearing of injector and keep clean the injector by removing deposit. SOLUTION: Fuel in a fuel tank 13 is supplied to fuel injectors 3 through a fuel pump 12, a fuel measuring pump, and a fuel supplying line 10. On the other hand, lubricant stored in a lubricant reservoir 22 is added with a cleaning additive at a predetermined percentage. Then the lubricant and the cleaning additive supplied to a fuel line 25 by a lubricant pump 21 are supplied to the fuel injector 3 together with fuel.