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Self-levelling for a full air suspension system
In a full air suspension system, self-levelling has two potential levels.
▪ Activating the switch (1) activates the second driving level, and the control light on the button switches on.
▪ Deactivating the switch (1) deactivates the second driving level, and the control light on the button switches off.
Lift/lower auxiliary axle switch (if the vehicle is equipped with a lift axle)
▪ When the switch is pressed to position (2), the lift axle is lifted.
▪ When the switch is pressed to position (3), the lift axle is lowered.
AIR SUSPENSION
NOTE: Vehicles with lift axle: Depending on the configuration, the driving level for the driven
axle will increase when the third axle is lifted. This is done to increase the height of the tires on
the third axle above the ground
2 3
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