Calibration
This function calibrates and vents the hydraulic system.
Note:
Be careful, during this function the trailing axle will be controlled automatically to its end positions.
Make sure that nobody can become trapped between the tires and chassis.
Check the oil level in the reservoir during the whole function and add oil before the level becomes too low.
The oil level will drop, too low level may cause that air in the hydraulic system leads to damages on the hydraulic pump.
Test conditions:
Engine off - the engine is started during the procedure.
Engine speed over 800 rpm.
handbrake applied.
Oil in the hydraulic reservoir.
Trailing axle lifted up.
The front axle lifted up and the wheels straight ahead.
There must be possibility to turn the wheels.
Procedure:
Start the function with the engine off.
Electrical test is started. This can take up to 50 seconds.
Result is shown.
Start the engine and increase the engine speed to over 800 rpm.
Hydraulic test is running.
Follow the instructions, how to turn the steering wheel.
The system controls the rear axle.
Air test.
The function is done.
If the function gets a fault code, check the test conditions and rectify the fault code.