Zetor Forterra CL 100 Operator's Manual page 88

Manual Front drive axle control
Engagement of front drive axle in manual mode is done by pressing a button which returns to its initial
position after release. The disengagement of front drive axle is done by repeated pressing of the button. The
engagement of front drive axle is signalized by a lit symbol on the switch and a symbol on the display of the
dashboard.
Automatic disconnection of front drive axle
When exceeding travel speed of 20 km/h, the drive of front drive axle is automatically disconnected.
Automatic disconnection of the drive is signalized by blinking of control in a switch. After switching off of the
blinking control, front drive axle is automatically disconnected.
With the drop of travel speed under 20 km/h, front drive axle can be connected by a repeated depression of
a button.
With speeds higher than 20 km/h, the drive of front drive axle can be connected by repeated depression of
a blinking button.Front axle drive is engaged permanently by a long pressing of a button (app. 3s) for the
whole period of tractor drive (without disengagement of automatics). Front axle drive remains engaged also
when overcoming travel speed of 20 km/h. By putting the tractor at standstill, front axle drive is disengaged
automatically.
The switch from manual to automatic mode can be done after the disengagement of manual mode.
Automatic front drive axle control
Switching of the front drive axle is performed by pressing the button in the part with the AUTO symbol, which
is, when released, automatically returned into its original position. The front drive axle is switched off by
pressing the button again. Activation of the front driving axle is indicated with the activated symbol on the
switch and the symbol in the instrument panel display.
Automatic mode of control of the front drive axle
When the automatic control of the front drive axle is activated, the drive of the front axle is automatically
connected when some of these situations occur:
1. The travel speed is lower than 20 km/h
2. The arms of the rear three-point hinge are not lifted to the position where the clutch of the PTO shaft is
automatically disconnected (more information in chapter POWER OF AGRICULTURAL MACHINES)
If the travel speed is higher than 20 km/h or the arms of the rear three-point hinge are not lifted to the
position where the clutch of the PTO shaft is automatically disconnected, the drive of the front axle is
disconnected.
If the drive of the front axle was disconnected because of the travel speed higher than 20 km/h, the drive of
the front axle is not automatically connected and must be connected by pressing the button when the travel
speed is lowered.
If the drive of the front axle was disconnected because of the position of the arms of the rear three-point
hinge, the drive of the front axle is automatically connected when the arms of the rear three-point hinge are
lowered to the position where the clutch of the rear PTO shaft is automatically connected.
Switching from the automatic to the manual mode can be performed by pressing the button of the manual
mode.
DRIVING OPERATION DRIVING OPERATION
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