NANO

FUEL SYSTEM 10 C. LOW PRESSURE CNG FILTER: Function: This is Coalescing Low Pressure filter, located in between CNG Gas rail & Pressure regulator. This unit filters oil, dust and cylinder corrosion from the Low pressure CNG to protect the CNG injectors. It can work within the temperature range of - 40°C to 150°C with filtration capacity of 10 microns. The maximum rated operating pressure that L.P.filter can withstand is 10.3 bar. Mounting Location: The L.P. filter is mounted below rear floor, near timing cover of Engine. CONSTRUCTIONAL DETAILS: REMOVAL & REFITMENT OF L.P FILTER (On vehicle): NOTE:  Park the vehicle with brakes ON and duel selector switch is kept in CNG mode.  Manually turn of the tank valve and connect the TML tester tool and start the service “Empty CNG lines”  Crank the engine and run in idle condition until engine stop at its own.  Re crank the engine it should not start (tank pressure should be 0 bar) WARNING : Do not turn OFF Cylinder Valves , in vehicle running in CNG mode. This may wrongly detect the leakage error..  Disconnect battery negative cable.