SmartBoard
4
Operation and Functions
35
The calibration is performed in three different load states (trailer physically laden).
The exact vehicle weight must be determined using a calibrated scale.
The calibration must then be performed again if air-suspension or Trailer EBS E
modulator is replaced.
Calibration points
The greater the weight difference between the individual calibration points, the
more precise the axle load is displayed. Calibration point "Partially laden" is op-
tional and does not have to be performed.
• Unladen
• Partially laden (optional)
In partially laden status, the vehicle weight should be centered between the ve-
hicle weight in unladen and fully laden status.
• Fully laden
Prerequisites
• Trailer EBS E1 with software version TE14013
• SmartBoard with software as of version SB010207
• With drawbar trailers, another pressure sensor must be installed on the axle
that brakes via the 3rd modulator.
While calibrating, the parking brake and the service brake must be released.
Calibration on the semitrailer
– Determine the weight of the semi-trailer on a calibrated scale in unladen, par-
tially laden (optional) and fully laden status.
Make sure that all axles of the semi-trailer are on the scale.
– Select the menu <Extras> <Settings> <Sensor calibration>.
– With vehicles having raised lift axle(s), you are requested to lower it.
Lower the lift axle(s) by pressing the <Right arrow>
If all lift axle(s) are lowered, the calibration is continued.
– Select menu point <Calibrate unladen> and enter the weight of the unladen
semi-trailer.
Button <Arrow right>: Changes the digit position
Button <OK>: Changing the value
Button <Back>: Confirmation of input
– Confirm saving the entered calibration data by pressing the <OK> button.
A successful calibration is indicated with the symbol and checkmark.
– Repeat the last two steps for partially laden (optional) and for fully laden semi-
trailer.
Select the respective menu points <Calibrate part. laden> and <Calibrate fully
laden> for this however..
Calibration on the drawbar trailer
– Determine the weight of the drawbar trailer on a calibrated scale in unladen,
partially laden (optional) and fully laden status.
Make sure that the axle loads on the front and rear axles are determined sepa-
rate from one another.
– Select the menu <Extras> <Settings> <Sensor calibration>.
– With vehicles having raised lift axle(s), you are requested to lower it.
Lower the lift axle(s) by pressing the <Right arrow>
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