15. Stop the tractor.
If the calibration was unsuccessful, perform the calibration again. If the calibration
is still unsuccessful, contact an authorised Valtra workshop.
With a short press of the ESC button you can return to the menu 2. A long press
of the ESC button returns to the previously active drive display.
If calibration cannot be completed successfully, the problem may be caused by
one of the following:
• Four-wheel drive is engaged.
• Differential lock is engaged.
• The system could not set the required engine speed within 7 seconds. (The
tractor may be pulling too heavy a load, for example.)
• The speed of the tractor varied too much during the calibration.
• One of the sensors to be calibrated is in fault mode.
4.8.2 Track widths
The track width is measured between the middle of the tyres. If needed, adjust
the track widths.
IMPORTANT: The maximum allowed width of the tractor is 2550 mm (if larger
width is not nationally allowed).
In many work applications, it is advisable to adjust the track widths so that the
track made by the front tyres is covered by the track made by the rear tyres.
When using narrow track widths for the rear axle, check that the lower links do
not touch the tyres. When required, lock the side regulators.
IMPORTANT: According to the EU directives the smallest allowed distance
between the side of the tyre and the mudguard is 40 mm and between the top of
the tyre to the mudguard is 60 mm.
4. Maintenance
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