Manuale Officina LGW 523-627 - lombardini service

6Lubrification circuitOil pressure regulating valveComponents:1 Valve2 Spring3 Gasket4 Screw capSpring length = 27.50÷27.75 mmBlow the valve’s seating with compressed air and carefully clean allthe components before remounting them.Nota: The valve begins to open at a pressure of 4.5÷5.5 bar.156Oil filter cartridgeComponents:1 Gasket2 Plate3 Rubber element4 Spring5 Filtering element6 By-pass valve7 SpringCharacteristics:157Maximum operating pressure: ............................. 7 barMaximum bursting pressure: ............................... 20 barDegree of filtration: .............................................. 15 µBy-pass valve calibration:.................................... 1,5÷1,7 barTotal filtration surface: ......................................... 730 cm 2Total filtration surface for LDW 1204 engine: ..... 1450 cm 2 .Oil pressure checkOnce remounted fill the engine with oil, fuel and coolant.Remove the pressure switch, fit a union and connect a 10 barpressure gauge.Start the engine and check how pressure is affected by oiltemperature.Nota: With a maximum operating temperature of 120°C at 900 rpmthe oil pressure must not be less than 1 bar.158- 70 - FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06