2.2.8. Fuel system The fuel is delivered by the fuel lift pump via the fuel filter to the injection pump and from there to the injectors. The fuel is sprayed into the cylinder through nozzles fitted in screw-fit injections in the cylinder heads. Excessive fuel delivered and leak fuel from the injectors flow through the return pipe back to the tank. 4 4b 7 6 8 2 5 9 4a 7 10 1 EA6O3003 1. Fuel tank 5. Fuel pipe connector 2. Strainer 6. Injection pump 3. Fuel Filter 7. Injector 4. Fuel filter assembly 8. Fuel pressure relief valve 4a. Fuel water drain plug 9. Fuel return pipe 4b. Air bleeding plug (for fuel filter) 10. Fuel feed pump Technical Information - 24 -