Search results with tag "Brake application"

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To test air system integrity, make and hold a full brake application for at least 2 minutes while watching the air pressure gauge with the engine off, the key in the “on” position, and the park brake off. Leakage, if present, should be less than 5 psi for the 2 minutes. Continue the test by applying the park brake and then “pumping” the ...

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