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Bogie switch -
early type
ECS Gen. 2
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.
Switch position Result
0 - upper section Axle lifted - unladen condition
pressed only
1 - centre position Normal drive position - axle
lowered - 60% load on drive axle
40% load on pusher/trailing axle
2 - lower section 1st. press - optimised traction
*
pressed 2nd. press - extra traction**
3rd. press - back to 60/40 split
Light
ON
OFF
ON
FLASH
OFF
*/** See following pages
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