Level sensor, calibration


Note:

Calibration of the level sensor should be performed when:

Test prerequisites:

Procedure:

  1. Make sure that the vehicle is not loaded.

  2. Applies to all trucks with bogies.

    • Put the bogie switch in position 2, centre position.

  3. Block the wheels and release the parking brake.

  4. Start the engine and fill the system up with compressed air until the compressor releases pressure.

  5. Raise the vehicle with the vehicle´s control box.

  6. Position spacers according to the pictures below.

    Front axle

    • 280mm

    Drive axle

    1. Type of suspension

      • RST-AIR 120mm

      • RST-AIR3 70mm

    • Note: Always place the spacers on both the front axle and the drive axle, irrespective of which level sensor that has been replaced.

  7. Lower the vehicle onto the spacers with the control box, without draining the air bellows.

  8. The calibration should be performed with the control box operating button in the upper position, "MAN1".

  9. Choose function and perform the calibration.

  10. End the diagnosis and remove the spacers.

    • Note: During calibration the vehicle will be raised quickly to check that the level sensors have got the correct polarities.