Fuel Injector: Service Precautions

Fuel Injector, Cleaning

Special tools, testers and auxiliary items required

• Ultrasonic Cleaning Unit (VAS 6418)

• Mounting Plate for Fuel Injection Engines (VAS 6418/1)

• Cleaning Fluid (VAS 6418/2)

Conditions:

• The ultrasonic cleaning unit must be filled to the upper edge of the holes with cleaning fluid (VAS 6418/2) - insert -.






• Follow the safety precautions and the instructions for the ultrasonic cleaning unit operating instructions.

Procedure:

- Remove the fuel injectors. Refer to => [ Fuel Injector ] Fuel Injector.

- Install the fuel injectors - 1 - all the way up the end stop in the mounting plate for fuel injection engines (VAS 6418/1) - 2 -.






- Dip the fuel injectors and the mounting plate for fuel injection engines (VAS 6418/1) into the cleaning fluid (VAS 6418/2).

- Adjust the temperature to 50 degrees using the knob - 4 -.

- Set a cleaning time of 30 minutes using the knob - 5 -.

- Turn the ultrasonic device on with the button - 3 -.

• The time begins counting down once the cleaning temperature reaches 50 degrees.

- Always replace the combustion chamber seal (Teflon seal) for each fuel injector after cleaning. Refer to=> [ Fuel Injector Teflon Seal ] Fuel Injector Teflon Seal.

- Install the fuel injectors. Refer to => [ Fuel Injector ] Fuel Injector.