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Does anyone know what the two air brake circuits are called? One is the service brake and the other?
One is fed from the smaller of the two tanks and goes via the foot valve to the 'end' of the servo, nowhere else.
The other is fed from the larger of the two tanks and goes via the foot valve to the 'middle' of the servo. This one ALSO feeds the handbrake lever and the anti-compounding circuit for the handbrake.
What would they each be called? Just interested.
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