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vehicle in cases where the self-steering
axle is locked or unlocked. Please be care-
ful about the self-steering axles.
3.7.1.1. Locking The Steering Axle
For vehicles with Electronic Braking System
(EBS), the stray axle can be locked automati-
cally when the reverse gear is engaged in or-
der to reverse. It is also possible to lock this
axle manually.
Drive the vehicle straight ahead so that the
steering axle is in a level position before the
steering axles locks up.
If the automatic axle locking feature is active in
your vehicle, the steering axle will be locked
automatically when you engage reverse gear.
If you want to lock axles manually, make sure
that the steering axle is in straight position and
close the valve (1) or turn the button to the off
position.
The axle is in the locked position when the
valve handle is turned towards you.
Reversing with unlocking steering
axles is dangerous. The semi-
trailer can be separated from the
tractor. Before going backwards be sure to
make sure the steering axles is locked.
Self-steering axle release valve
3.7.1.2. Unlocking The Self Steering
Axle
The self-steering axles, which lock automati-
cally when reverse gear is engaged, will auto-
matically unlock when the vehicle is moving
forward.
To release the manually locked self-steering
axle, turn the valve handle 90° (2) clockwise or
move the button to the open position.
When the self-steering axle is
locked manually, the axle will not
be unlocked automatically. It must
be unlocked manually.
The self steering axles release valve
3.7.2. Axle Lifting
Axle lifting feature is optionally available in dif-
ferent quantities and location in your vehicle.
Thanks to this feature tire wear is minimized
and a more balanced load distribution on the
tractor can be achieved. The EBS connection
must be active for the axle lift load to work.
Axle lifting feature is controlled automatically
due to the legal regulations. When the speed
limit exceeded while the EBS is active, some
axles can be lifted automatically if the load on
the axles is less than the maximum allowable
axle load.
It may be necessary for the operator to manu-
ally intervene the axle lift with a departure help
aid or maneuvering aid.
In order for the departure aid to be
activated (raising the axle) , the ve-
hicle must be slower than 30 km/h
and the technical capacity of the axles
must not exceed 30%.
When the vehicle is stationary, it is possible to
activate the traction help by pressing the trac-
tor brake pedal 3 times in a row.
If your vehicle have optional axle lifting feature
from tractor cabin, it is possible to manually
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