NANO

FUEL SYSTEM

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.