Ford 1833 Series User Manual page 126

by the system. Therefore, you should avoid
unstable loading of the truck in order to use
the axle raising system better and to obtain a
better efficiency.
System Error
System has the feature to detect any faults
that may occur in electronic components such
as axle raising valves. In such a case, a
warning message and the symbol are
displayed, and the axles are brought to ground
position for safe driving. Take your vehicle
to an authorized workshop to have the fault
repaired in such a case.
Pressing the Button While Axle is Raised
If the system allows, relevant axle is lowered,
icon disappears from the Function menu of the
instrument panel and the light on the button is
turned off.
If the system does not allow, relevant axle is
not lowered, warning message is displayed on
the Information menu of the instrument panel
and the light on the button is not turned off.
Not allowed conditions:
Vehicle Speed
Axle lowering functions are cancelled for
safety reasons if the vehicle speed is over 30
km/h. In this case, when the button is pressed
to lower/raise the axle, the axle positions
do not change and a warning message is
displayed on the instrument panel.
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OPERATION
Tag Axles
Unloaded Vehicle Condition (For 8x2S only)
In 8x2S vehicles, is automatically raised and
not allowed to be lowered again in unloaded
vehicle condition - until live and tag axles have
been loaded up to 12 ton approximately in
total - in order to improve the handling, braking
and life-cycle performance of the self-steered
axle. A warning message shall be displayed
on the Information Menu in this case.
Axle Weights
When the vehicle is loaded over the limits
allowed for axles' loads, axle(s) which have
been raised before are automatically lowered
according to the loading amount and a warning
message is displayed on the Information
Menu.
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