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D. Instruments and controls
2. Overdrive lever
69---26,82
1.1
1.2
1.3
Front position, I = direct range
Rear position, II = high range overdrive connected
Overdrive is synchronized, so it is possible to engage or
disengage as the standard gears while running using the
clutch pedal. It is possible to use it with all gears and
range gear lever positions. Tractors provided with this
overdrive have 16 forward speeds and 8 reverse.
CAUTION: There is a mechanism in the
overdrive which prevents the lever
remaining in the neutral position (middle
position) ensuring lubrication of the gear
box and PTO. Never, under any
circumstances, leave the lever in the
neutral position.
D 2.3.1.4. HiShift (1.4) (extra equipment)
Push buttons for HiShift are additional equipment, which
make for easier driving. With HiShift, the clutch can be
used not only with the left foot but also with the fingertip
button control.
The contact buttons are placed in all gear levers (tractors
equipped with low---gear in range- and speed gear levers),
so there is no need to use the clutch pedal. They also
enable clutchless shuttle operation.
Traditional use of the clutch pedal is always possible, and
also recommended in some situations such as attaching
the implements.
a1
Operating and function of the HiShift
69---26,6
1.4
1.4
1.4
By pressing this push button (1.4) the clutch pedal is
depressed. When the push button is released, the clutch
pedal rises according to the preset adjustment.
When the speed is below 4 km/h the clutch is engaged
more slowly (the pedal rises slower) than when the speed
is greater than 4 km/h.
When using the HiShift, first press the push button and
then move the lever to the desired position. The push
button can then be released and the clutch will be
engaged.
WARNING: When coupling implements or
other operations where precise movements
are needed the foot pedal must always be
used.
WARNING: You should always be able to
operate the clutch pedal by foot if needed.
If the tractor engine is left running be sure
not to leave children or animals in the cab
as the push buttons can be easily operated.
If the clutch pedal has been pressed down by the push
button and the clutch is to be engaged by foot operation,
wait for a few seconds after releasing the push button
before starting to engage the clutch manually.
When operating the clutch for the first time in a cold
climate, it is good practise to use the push buttons for the
first few operations of the clutch.
The clutch pedal pressure force is limited to 250 N (25kp)
with a pressure control valve avoiding any accidental
damage to the foot.
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