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Air brakes are an effective way to reduce a train’s speed by using compressed air. These brakes are the primary means of stopping trains, buses and large trucks. They use a spring-loaded piston that is pushed by air pressure to apply the brakes. The air pressure is generated by an engine-driven co
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A spring brake cylinder (also known as a DD3 safety chamber) is found on the rear axle of most heavy trucks. It is used for parking and emergency braking in case the service brakes fail. The system works by supplying air to one side of a diaphragm inside the bra
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The brake system on a truck requires high levels of air pressure to stop and begin moving again. Long-haul trips often require the driver to pump the brakes many times over for hours at a time. This can cause the brakes to lose their high-pressure state and they may start to fail. Trucks equipped wi
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Air brakes are an essential safety device for trucks and buses. They provide the power and force to stop your vehicle and trailer, and they must be inspected and adjusted daily by drivers to ensure they are functioning properly. Many air brakes, especially drum type brakes, can develop heat from fre
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The brake system of a truck or trailer is one of the most critical safety features on the vehicle. The quality of the brakes and the maintenance that is required are vital to ensuring that the vehicle is safe for transport and that it is able to stop when needed. In recent years, air disc brakes hav
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Wedge brakes are another type of air drum brake found on some heavy trucks. They use a push rod that directly contacts the brake shoes and drum, pushing the brake shoe linings against the drum. Unlike cam brakes, wedge brakes have no exposed brake linkage and don’t require frequent manual ad
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Brake chambers pack the power and force in your vehicle’s braking system, converting pressurized air from the brake pump into mechanical action to apply your brakes. These brakes are critical to your safety on the road, so it’s importan
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In recent years the truck brake industry has seen a big shift from drum to air disc. This is largely due to requiring reduced stopping distances for trucks and trailers. In addition to improving braking performance, disc brakes have also improved TCO (total cost of ownership) by offering shorter pad
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The wedge brake chamber is a type of air-operated drum brake that uses a push rod to push a wedge between two brake shoes, forcing them out against the inside of a drum. This type of drum brake is often used in heavy trucks, where it generat
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Air brake actuators play a vital, but often unsung, role in truck and trailer brake systems. Without them, the compressed air within an air reservoir could not be converted into a mechanical force that activates the brake.The brake actuator is responsible
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A spring brake cylinder is a type of brake chamber that applies the brakes by means of a large coil spring rather than air. This provides enough force to hold the brakes in the applied position, even when air pressure in the service brake system is lost.It
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An air brake chamber is a component of an air brake system that converts compressed air pressure to mechanical force. The brake chamber contains a rubber diaphragm, which expands when air pressure is applied to it, and extends a push rod th
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