F2B ENGINE 119 T RAKKER E URO 4/5 Overpressure valve Figure 241 overpressure valve emptying with Feed pump Figure 242 Pump rotation speed Minimum flow rate Test conditions Test liquid Test liquid Pump rotation speed Dieseloil temperature Filtering rate on aspiration Valve calibration Valve calibration Print 603.93.641 Base q November 2006 9 valveis a single-acting valve,calibrated to Figure 243 73547 Fuel pump fitted onto the camshaft drive A. Fuel inlet q B. Fuel delivery q C. By-pass nut q D. Fuel return from the pump-injectors q E. Pressure relief valve q Opening pressure: 5-8 bars Figure 244 98870 SECTION ON FEED PUMP 1.
Oil and fuel leaks indicator 2829 0.2 on the piping that returns fuel to tank. The e prevents fuel duct in cylinder head from gine stopped. 92830 itted onto the power steering pump e valve - 2. Delivering fuel to injectors - g in fuel - 4.
Pressure control valve Pump performances Pump performances (rpm) 2600 600 170 100 Pump rotation speed (rp m) 4100 900 250 140 (l/h) 310 45 12 Minimum flow rate (l/h ) 310 45 12 6 e pressure ration (bar) 0.5 0.3 0.3 0.3 Negative pressure on aspiration (bar Pressure on delivery Test (bar conditions Test liquid temperature (C Test liquid ) 0.5 0.3 0.3 0.3 e on delivery (bar) 5 3 0,3 0.3 ) 5 3 0.3 0.3 uid ature (C) 30 30 30 30 ) 50 50 50 20 uid ISO 4113 ISO 4113 Field of use Field of use (rpm) 2600 Pump rotation speed (r pm) 4100 peed(max5 min)(rpm) 4100 max Overrunning rotationspeed(max5 mi n)(rpm) 5800 max e (C) -25/+80 Dieseloil temperature ( C) -25/+80 ation (micron) 30 Filtering rate on aspiration (m icron) 0.5 max aspiration (bar) 0.5 max Negative pressure on aspiration (b ar) -25/+120 Pressure control valve Pressure control valve 5 8.8 Valve calibration 5 5.8 Injectors return valve Injectors return valve 3.2 3.8 Valve calibration 3.4 3.8