3. Breakaway braking devices are missing or inoperative or cable is frayed or broken, or trailers, manufactured or assembled after January 1, 1964, having an actual gross weight of 3,000 pounds or more are not equipped with emergency breakaway brakes designed to:a. Apply automatically upon breakaway from towing vehicle.b. Remain fully applied for at least 15 minutes.c. Apply and release by operation of the manual emergency control. A minimum of one wheel must be removed from each axle equipped with brakes to inspect the brake components.
NOTE: Trailers having an actual gross weight of 3,000 pounds or more, but with a manufacturer's gross weight rating of less than 10,000 pounds, need not be equipped with brakes on all wheels.
a. Exception: Wheels on trailers equipped with open brake mechanisms are not required to be removed.b. The inspection receipt approval and rejection shall be marked to reflect which wheel, drum, or dust cover was removed or inspected.