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DOT Brake Check
As a new owner & new to air brakes, I’m so glad Jon & Tom preach doing a DOT brake check prior to every trip.
During my pretrip brake check last week, my emergency brake did not engage when fanning the brakes until my psi was down to almost 0. Found out it was a bad pressure protection spring valve ( the spring/valve below the yellow brake button).
Thanks again guys for this reminder!
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