CDL Pre-Trip: How to Check Parking, Trailer & Service Brakes 📜 YouTube Description: In this video, we walk through the final steps of your in-cab air brake inspection. After verifying your air pressure is back between 120–140 PSI, it’s time to test your parking brake system: ✅ Trailer brake (red knob) ✅ Tractor brake (yellow knob) ✅ Service brake engagement You’ll learn how to safely place the truck in drive, release individual brakes, apply light throttle, and confirm the vehicle does not move
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CDL Pre-Trip: How to Check Parking, Trailer & Service Brakes 📜 …
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FacebookE-Z Wheels Driving School
HOW TO PROPERLY TEST THE PARKING AND SERVICE BRAKES OF A TRUCK Here’s how to properly test your parking brake and service brake during a CDL exam or pre-trip: 🔹 Parking Brake Tug Test Vehicle in neutral Parking brake ON Start the engine and confirm air pressure is in range Put the vehicle in drive and gently apply throttle ✅ Vehicle should NOT move → parking brake is working 🔹 Service Brake Test Release the parking brake Drive up to 5 MPH Apply the brake and come to a smooth stop ✅ Vehicle sho
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HOW TO PROPERLY TEST THE PARKING AND SERVICE BRAKE…
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FacebookDriving Academy
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