Zetor Proxima GP 80, Operator'S Manual

Page: 155 / 176

Calibration of travel speed of digital dashboard
E769a
Dashboard is calibrated after the assembly in production plant. Do the repeated calibration:
- After significant wear of tyres
- When assembling new tyres
- When replacing the dashboard
Calibration procedure
- On an appropriate area, mark a track of 100 m length
- Inflate the tyres of the tractor to the prescribed pressure, see tables of this Operator´s Manual
- Start the engine
- Locate the tractor at the beginning of the hundred-metre track
- Press the (A) and (B) buttons simultaneously. Keep the buttons pressed for 7 sec. There will be an acoustic
signal and in 'c-n-t' inscription starts flashing on the display.
- Release both buttons (A) and (B), 'c-n-t' inscription stops flashing
- Start the tractor in a balanced speed of 10 km.h
-1
- After travelling the whole distance of 100 m, stop the tractor on a marked end of the track (see fig. E769)
- Press (B) button.
- If calibration has been completed without errors, there will be acoustic signal and 'Pulse' inscription will
appear on the display
- After 2 sec, calibration value will appear on the display.
- After another 2 sec, the calibration is automatically completed, dashboard is calibrated and ready for
operation.
ADJUSTMENTS
154