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Difference from prior major
revision.
minor diff author diff hide diffOne drawback of the basic air brake system is that there is no way of gradually
releasing the brakes. To release the brakes, the driver will recharge the brake
pipe using the "driver's brake valve". [[driver's_brake_valve]]. Once
the air pressure in the brake pipe start to build up, the triple valves detect
this rise in pressure and move to the release position and exhaust brake
cylinder air.