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Bogie switch
ECS Gen. 2
*Optimised
traction
**Extra traction
When the bogie switch is pressed to lower the lifting axle
- or to select ʻoptimised tractionʼ , the air pressure, in the
drive axle and lift axle air bellows, is adjusted to give the
best weight distribution and traction for the prevailing
conditions.
The pressure is controlled by the ECU in response to air
pressure signals from the air bellows pressure sensors.
When driving in certain conditions of poor road surface/
composition - e.g. slippery/rutted quarry roads etc. - it may
be possible to increase traction if more weight is carried by
the drive axle.
This is done by releasing more air from the lift axle air
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