NANO

FUEL SYSTEM

D. PRESSURE GAUGE:

Function:

The function of pressure gauge is to indicate the

pressure in high pressure system. It is very useful to

check the pressure in CNG Cylinder before starting

the repair work on CNG system. The pressure gauge

is coupled to T-connector by a Special fitting.

Mounting Location:

It is mounted in the front bonnet, directly connected

to high pressure line.

REMOVAL & REFITMENT OF PRESSURE GAUGE

(on vehicle):

WARNING :

Do not turn OFF Cylinder Valves, in vehicle

running in CNG mode. This may wrongly detect

the leakage error

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)



Disconnect battery negative cable.



Using a suitable tool / spanner carefully remove

the pressure gauge.

FITMENT OF PRESSURE GAUGE (on vehicle):



For fitment procedure, follow the reverse

procedure of “Removal”.



Conduct leak detection test after the fitment of

pressure gauge on vehicle.

NOTE:

Follow the guidelines for NPT threading for

assembly..