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In an air-brake system, the air compressor first takes in air into the storage tanks. Then there is the air compressor governor, which decides the amount of air that should be held within the tank. Drain valves allow air to be let into the air tanks. When the brake pedal is pressed, the air escapes out from the reservoir tanks.

Brake chambers are a jar-shaped entity that moves the vibrating disc. Push rod is made of steel which links the brake area to the slack adjuster which is responsible for maintaining the correct distance cheap designer sunglasses for men between the brake shoes. The brake S-cam rubs the brake shoes against the brake drum. Last but not the least, there is the return spring which is linked to each brake shoe and makes it come back to its normal position when not under pressure from the gucci sunglasses for men cheap piston.

Emergency air brakes can be invoked by making use of a button located on the dash. Before one drives an air brake vehicle, the emergency brake button must be turned on to allow air into the system. gucci sunglasses on sale If the air brake system develops a leak, the pressure would decrease and the emergency brake would get activated. Moreover, heavy vehicles have an added feature, namely, the exhaust break which is also a breaking mechanism that makes use of the engine rather than the air-brake system.