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Figure 16 112861 F3B ENGINE FEED SCHEME 1. Fuel filter - 2. Valve, to recirculate fuel from injectors, integrated in feed pump (start of opening at 3.5 bar) - 3. Feed pump - 4. Overpressure valve to return fuel to tank (start of opening at 0.2 bar) - 5. Pressure control valve (start of opening at 5 bar) - 6. Fuel pre-filter with priming pump - 7. Fitting - 8. Central unit - 9. Heat exchanger- 10. Pump injectors A. Fuel arriving at injectors - B. Fuel returning to tank - C. Fuel entering from injectors into feed pump Delivery circuit Return circuit 16 SECTION 1 - GENERAL SPECIFICATIONS |