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. Only applies to 6x2: Lower the trailing wheel axle and set the bogie switch in centre position.

  3. Adjust any fault codes.

  4. Block the weels and release the parking brake.

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

  6. Raise the vehicle with the control box.

  7. Position spacers according to picturers below.

    Front axle

    Drive axle

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

    • Distance rear = 307 mm

    • Distance front = 270 mm

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

  9. Calibration shall be performed with the control box operating button in the upper position, "MAN1".

  10. Perform calibration.

  11. Turn off ECS and remove the spacers.

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