Engaging And Disengaging The Four-Wheel Drive - Valtra T144 Operator's Manual

T series
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3. Operation
When starting to drive or using the power shuttle.
When pressing and releasing the clutch pedal while the driving speed is
lower than 10 km/h.
When pressing and releasing the HiShift push button while the driving speed
is lower than 10 km/h.
The automatics disengage the 4WD after a defined delay after releasing the
clutch pedal or the HiShift push button. You can define the disengagement
delay from the A-pillar display.
When the 4WD is engaged, the indicator light
lit.
If the indicator light on the instrument panel flashes in the automatic position,
there is an error and the 4WD engages. The reason for the error may be one of
the following:
The speed sensors are not calibrated.
A switch fault has occurred (the service code is displayed).
3.8.19.2

Engaging and disengaging the four-wheel drive

You can control the engagement of the four-wheel drive (4WD) with the 4WD
switch. The switch has three positions: ON, AUTO and OFF.
Keep the 4WD disengaged while driving on the road if it is not required. Using the
4WD is not allowed at driving speeds of over 15 km/h if road conditions are good.
GUID-CE01E060-116D-4F1C-BD9C-DB4CEE7CB507
1. 4WD switch
To engage the 4WD, press down the symbol side of the 4WD switch (ON).
The switch light is lit green.
To use the automatic function of the 4WD, turn the 4WD switch to the middle
position (AUTO).
To disengage the 4WD, press down the side of the 4WD switch opposite to
the symbol (OFF).
1
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on the instrument panel is
ECO

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