Carbon MCS-352 Manual do Operador descarregar pdf (Página 42)

Returnless System Cleaning Procedure

Follow the steps below to feed the fuel/detergent mixture into the vehicle's fuel injector system.

1. Verify that the Returnless System Setup Steps 1- 8 above have been completed.

NOTE: The rail flush procedure is not performed on a Returnless System.

Refer to the vehicle's service manual for the manufacturer's recommended PSI.

• Refer to appropriate Intake System Cleaning Procedure chapter for system cleaning at this

point, and Vacuum gauge connections in the vehicle diagnostics chapter.

3. Press and hold the Start button until unit builds pressure (See step 4).

Turn the Pressure Adjust regulator clockwise until the Fuel Pressure gauge reads

the equivalent of the manufacturer's recommended specifications. It may be necessary

to increase the pressure to the level previously noted .

5. Press the  button to increases the time, or the ▬ button to decreases the time until the Time LED

displays 30 minutes. (Run time may be adjusted depending on the condition of the vehicle’s fuel system.

Add additional run time to compensate for no rail flush.)

Start the vehicle to begin the fuel system cleaning process.

• When the cleaning process is halfway completed (check

Time LED display), step on the vehicle’s

accelerator quickly three or four times.

Then, maintain RPM at 1500 - 2000 for 30 seconds.

7. When the run time expires, the cleaning is complete. The unit will automatically shut off and purge the

pressure lines for five seconds. The

Cycle Complete LED on the control panel will illuminate, and the

unit’s alarm will sound.

8. Turn OFF the vehicle's ignition.

Turn the Pressure Adjust regulator counterclockwise on the unit to open it. Press and

hold the

Fill/Purge button for four seconds to relieve pressure from the output (red)

hose. Release the

Fill/Purge button.

10. Loosen the vehicle's gas cap to relieve fuel tank pressure, and then re-install cap.

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Carbon MCS-352 Manual do Operador Página 42