Automatic Traction Control; Front Axle Suspension And Cab Suspension; Front Axle Air Suspension - Valtra T144 Operator's Manual

T series
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3. Operation
3.8.16

Automatic traction control

The automatic traction control allows you to stop the tractor using only the brake
pedal so that you do not have to operate the clutch pedal or the power shuttle
lever.
Automatic traction control is useful in traffic and for example on jobs where you
have to stop the tractor and at the same time use power take-off (PTO).
You only need to use the clutch pedal when you want to slip the clutch or when
you want to assist the start with the brakes. The clutch pedal also forces the
traction to disengage if necessary.
The traction can be disengaged with the power shuttle lever or with the clutch or
brake pedal in the following cases.
both brake pedals are pressed
the driving speed is less than 20 km/h
the drive pedal and clutch pedal have not been pressed
the power shuttle lever is towards the same direction as the current driving
direction
When you sit on the driver's seat and you have engaged the direction with the
power shuttle lever, you can engage the traction again by releasing the brake
pedals or pressing the clutch pedal or the drive pedal. This allows you to make a
hill start by adjusting the braking force with the brake pedal and engaging the
traction with either the clutch pedal or drive pedal.
3.8.17

Front axle suspension and cab suspension

3.8.17.1

Front axle air suspension

Driving a tractor with air suspension on the front axle is comfortable on uneven
ground. The front axle air suspension is extra equipment.
When driving at high speed, the front axle suspension reduces the pitching of the
tractor. Stress on the operator, tractor and implements is reduced. The automatic
level control keeps the axle in the same position within the tractor frame
independently of the axle load.
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