Trailer Emergency Brake Testing Procedures

Testing the trailer emergency brakes is a crucial part of ensuring safety while on the road. It is important to know the correct procedures to test the emergency brakes to prevent accidents and malfunctions.

Proper Testing Procedure:

One of the recommended methods to test the trailer emergency brakes is by disconnecting the trailer from the truck and observing brake engagement. By doing this, you can check if the trailer brakes are functioning properly without the influence of the truck's brakes.

Another way to test the emergency brakes is by applying the service brakes on the truck and checking if the trailer brakes activate. This helps ensure that the trailer brakes are synchronized with the truck brakes, enhancing overall safety.

Measuring the air pressure in the trailer brake system is also a valid method to test the emergency brakes. If the air pressure falls within the appropriate range, it signifies that the trailer brakes are in good working condition.

Blowing the trailer's horn, on the other hand, does not directly test the emergency brakes and should not be relied upon as a method of assessing brake engagement.

By following these proper testing procedures, you can help maintain the safety and efficiency of the trailer emergency brakes, ultimately ensuring a smooth and secure journey on the road.