What is a treadle assembly?
In many vehicles, the brake valve and treadle (pedal) assembly is mounted to the cab floor where it is subject to abrasive dirt and sand, as well as corrosive chemicals such as road salt and water. As a result, a small amount of corrosion in the metal parts of the assembly is normal (such as light rust or oxidization).
What is a brake treadle?
The treadle valve is shown in Figure 2-6. Its function is to regulate the air pressure in the service line (blue line) that controls how forcefully each brake is applied.
What is a foot valve on a truck?
The brake pedal has foot valves attached to it. When you step on the brake pedal, this is the valve that starts the brake application. The foot valve can be mounted under the floor of the cab or inside the firewall.
What is brake fade?
Brake fade happens when the braking system components no longer generate the friction needed to stop your car in an appropriate amount of time or distance. To stop the car, you have to press the brake pedal farther down and for longer than before.
What are dual parking control valves?
Explanation In a vehicle with dual parking control valves, there is a separate air tank that can be used to temporarily release the spring brakes if they have been activated due to low air pressure.
What is a double foot valve?
The Dual brake foot valve is a floor mounted, treadle operated valve with two separate supply and delivery circuits. Used in a dual circuit system. Upper section of valve feeds from reservoir 1. Lower section of valve feeds from reservoir 2.
How can you avoid brake fade?
How can brake fade be avoided
- Use your gears to slow down on hills, rather than just your brakes.
- Drive slowly and carefully, anticipating the road ahead.
- Get your brake pads checked regularly.
- Take the time to properly bed in new brake pads.