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Zetor CRYSTAL HD 170 - Automatic front axle suspension mode

Zetor CRYSTAL HD 170
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Automatically disconnect the front axle - manual mode
Front Drive Axle Control - Automatic Mode
Automatic front axle control mode
With the automatic front axle control enabled, the front axle drive will automatically connect if one of the
following situations occurs:
1. The drive speed is less than 25 kph.
2. The rear three-point hitch arms are not raised to the position where the PTO clutch is automatically
disconnected (see section AGRICULTURAL MACHINES DRIVE).
At drive speed exceeding 25 kph or when the arms the rear three-point hitch is lifted to the position where
the PTO clutch is automatically disengaged, the front axle drive disengages.
If the front axle drive has been disconnected due to a travel speed higher than 30 kph, the front axle drive
will not be automatically connected when the drive speed is drops below and must be connected by pressing
the button.
If the front axle drive has been disconnected due to the position of the rear three-point hitch arms, the fron
axle drive will be automatically connected after the front three-point hitch arm is moved back to the position
where the rear PTO shaft clutch is automatically connected.
Switchin
g
from automatic to manual mode can be done b
y
p
ressin
g
the manual mode button
.
If the drive speed exceeds 25 kph, the front axle drive is
automatically disconnected.
Automatic drive disconnection is signaled by flashing
a symbol on the instrument panel display, dashboard light
and a button symbol.
The front wheel drive is automatically disconnected after
the lights stop flashing.
When the drive speed drops below 25 kph, the drive of the
front axle can be connected by pressing the button again.
At speeds above 25 kph the front axle drive can be
connected by pressing the flashing button again.
By long pressing the button the front axle is permanently
connected for the entire duration of the tractor ride
(without automatic disconnecting). The front axle will
remain on even if the running speed exceeds 25 kph.
Parking the tractor will automatically disconnects the front
axle. This status is signaled by the PERM symbol on the
instrument panel display
Switching from manual to automatic mode can only be
performed after the manual mode is turned off.
F18N027
To activate the front drive axle in automatic mode press
the button in its part with AUTO symbol, the button then
returns to its original position after releasing. To deactivate
the front drive axle, press the button again.
Turning on the front drive axle in automatic mode is
signaled by the AUTO symbol on the instrument panel
display.
F18N028
DRIVING OPERATION
109

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