Why is it essential to lie down under the vehicle to visually inspect brake components?

Lying down under the vehicle to visually inspect brake components is crucial primarily to check for leaks, damage, or improper installation. This position allows the inspector to have an unobstructed view of the brake system, including the brake lines, hoses, and other components that may not be easily visible from the sides or above the vehicle. By examining these parts closely, any signs of wear, corrosion, or fluid leaks can be identified, which are critical for the vehicle’s braking performance and safety.

Monitoring brake components ensures that everything is functioning as intended. Proper installation is equally important; misaligned or loosely connected parts can lead to brake failure, which poses a significant danger while operating the vehicle. Therefore, performing this visual inspection is a key step in maintaining the integrity and reliability of the braking system, highlighting the importance of safety in operating vehicles equipped with air brakes.