Automatic Front Drive Axle Control; Axle Lock Control Of Rear And Front Axle - Zetor CRYSTAL Series Operator's Manual

Automatic front drive axle control

Engagement of front drive axle in automatic 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.
Engagement of front drive axle is signalized by a lit symbol on the switch and a symbol on the display of
dashboard.
Automatic mode of front drive axle control
When automatic front drive axle control is on, the drive of front axle connects automatically, if the angular
front wheels displacement is smaller than 15° and travelling speed is lower than 20 km/h,
When you exceed the angular displacement of front wheels 25° or with travelling speed higher than 20 km/h,
the drive of front axle disconnects. When the front wheels angular displacement change has lower value than
15°, the drive of front axle connects automatically.
If there is a disconnection of front axle drive for the reason of travel speed higher than 20km/h, then the drive
of front axle does not connect automatically with lower travel speed and it is necessary to connect it by
pressing a button.
The switch from automatic to manual mode can be done by pressing the button of manual mode.

Axle lock control of rear and front axle

Axle lock control button is placed on the panel on the right rear mudguard. Engagement of axle locks is done
by pressing the button which returns to its initial position after release. By pressing the upper part of the
button, manual mode of axle locks control function is engaged. By pressing the lower part of the button (auto
symbol) the function automatic mode of axle locks is on. Axle locks engagement is signalized by a lit symbol
on the switch and a symbol on the display of the dashboard. It applies for mechanical and automatic mode of
axle locks.
Axle locks cannot be engaged if front drive axle drive is not engaged. When engaging both of
the brake pedals, the locks remain switched.
When achieving travel speed which is higher than 15 km/h for the time period of 5 seconds, the axle
locks switch off automatically. This condition is signalized for a time period of 5 seconds before the
axle locks are disengaged by a blinking of the button symbol. If the axle locks were disengaged due
to higher travel speed than 15 km/h, then with a lowered travel speed the axle locks are not engaged
automatically and it is necessary to turn them on by pressing a button.
Axle locks are disengaged by repeatedly pressing a button or by engaging one of the brake pedals. The
switch from manual to automatic mode can be done by pressing the automatic mode button.
DRIVING OPERATION
C15N068
C15N071
79