What does the air compressor do in an air brake system?
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ANSWER
✓Pumps air into the storage tanks to supply the braking system
Regulates the pressure of air in the brake chambers
Controls the application of the parking brakes
Removes moisture from the air supply
Why: The air compressor pumps air into the storage tanks (reservoirs). It is driven by the engine through gears or a V-belt. The compressed air is stored in the tanks and used to apply the brakes.