SECTION 1 - GENERAL SPECIFICATIONS 11 F2B CURSOR EURO 4 ENGINES Print P1D32C002 E Base - September 2006 Valve integrated in piston cooling nozzle Figure 13 109080 The valve allows oil to enter only above the threshold pressure of 1.7 ± 0.2 bar. This permits filling the circuit and therefore lubricating the most stressed parts even when working at lower pressures.