Wastegate Actuator: Adjustments

Wastegate Control Valve Adjustment











Check





Use: Universal oil, 1161657




951 2986 Measurement sensor 951 2986 Measurement Sensor





Note! Make sure that the special tool can move freely.




951 2985 Measuring tools 951 2985 Measuring Tools 951 2775 Cylinder leak tester 951 2775 Cylinder Leak Tester





Caution! Make sure that the component moves freely between the end positions.

Repeat the following steps until the component moves freely. Some minimal binding is permitted.








1.
2.
3.
4. Check that the pressure-drop remains within the specified values.












1.
2. Caution! If the specified pressure is exceeded repeat the steps.

See information about wastegate valve
3.




Note the value.




1.
2.
3. Caution! If the specified pressure is exceeded repeat the steps.

See information about wastegate valve




Note the value.

Calculate the average value.

Follow the instructions for wastegate valve

If the average value is not according to specifications, adjust the stroke.

Adjustment

Note! Turn the adjusting screw counter-clockwise to increase stroke. Turn the adjusting screw clockwise to decrease stroke.

Note! One revolution corresponds to approx. 1 mm stroke.





Caution! Take extra care when handling the component.

1.
2. Adjust to specified average value.
See information about wastegate valve





Caution! Take extra care when handling the component.

Torque: Pressure regulator, lock nut adjuster rod , 7 Nm

Repeat the method to verify that the average value is according to specifications.