186007241 - 1042A24 CNG INJECTION SYSTEM ONE-WAY VALVE - R R (BIPOWER)

Removing ( Refitting ) Position the vehicle on a lift.Proceed with draining the high pressure circuit following the instructions in the specific operation    Op. 1042A02 C.N.G. - FUEL SYSTEM SAFETY CHECK1. Undo the connector for the repressurizing pipe from the single-acting valve.2. Unscrew the single-acting valve by means of the notches and remove it complete with sealing ring, spring and internal pistons. Refitting ( Removing ) Position the piston with spring on the solenoid.Tighten the single-acting valve with a new sealing ring on the solenoid.Connect the connector for the repressurizing pipe to the single-acting valve.Move the CNG cut-off solenoids to open position by hand and check system is efficient.Connect the Examiner diagnostic equipment in the "Active Diagnosis" ambient, select and carry out "Gas solenoid valve relay" item in order to allow the opening of the solenoid valves and the renewal of the CNG system operating pressure; read the pressure value on the sensor located on the pressure reduction unit in the engine compartment which should be greater than or equal to 14 bar, otherwise it will not be possible to switch from petrol to methane.Remove the vehicle from the lift.    Op. 1042A06 C.N.G. - FUEL SYSTEM CHECK FOR ANY LEAKS USING ELECTRONIC DETECTOR FOLLOWING OPERATIONS