Bogie Switch - Volvo ECS Training Tips And Tactics

ECS Gen. 2

Bogie switch -

early type
Switch position
0 - upper section
pressed
1 - centre position
2 - lower section
pressed
*/** See following pages
The bogie switch is used to fully raise/lower the lifting axle
of a 2 axle bogie, or to alter the weight distribution between
the two axles.
The switch may have 2 or 3 positions according to the
suspension variant. Position 3 is normally spring return.
Result
Axle lifted - unladen condition
only
Normal drive position - axle
lowered - 60% load on drive axle
40% load on pusher/trailing axle
1st. press - optimised traction
2nd. press - extra traction
3rd. press - back to 60/40 split
Light
ON
OFF
ON
*
FLASH
**
OFF
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