Fuel Pressure Relieving - Between The Fuel Receptacle and The Fuel Tank

Fuel Pressure Relieving - Between the fuel receptacle and the fuel tank

Between the fuel receptacle and the fuel tank

WARNING
Compressed natural gas is flammable and highly explosive. You could be killed or seriously injured if leaking natural gas is ignited.
Stop the engine, and keep heat, sparks and flames away.

This procedure should be done outside in a well-ventilated area or in a properly equipped CNG shop.

This procedure will allow you to safely work on any part of the fuel system between the fuel joint block and fuel receptacle.

1. Relieve the fuel pressure between the fuel tank and the manual shut-off valve (see the previous procedure).

2. Remove the under floor cover (A).






3. Loosen the sealing bolt (A) on the fuel joint block slowly.

4. Turn the fuel stem assembly (B) 1/2-1 turn counterclockwise.

5. Replace the fuel stem assembly and the sealing bolt O-ring (C).