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Tag: snubbing method

How To: Brake on long downgrades

The problem Descending a long downgrade can trigger a runaway even when your brake system is in good working order. Here’s why. The treadle valve, under the pedal, sends only a small air signal. It activates a relay valve on each axle, which applies the brakes at a pressure that varies with the […]

November 1, 2009

Proper braking on severe grades will keep you from having to veer into the deep gravel of a runaway truck ramp such as this one in Pennsylvania's Pocono Mountains.

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