Top Premier Truck Driving School in Edmonton

 Any commercial vehicle's air brake system is an essential component. The driver is responsible for these systems. The driver must be familiar with both theoretical and operational aspects of the systems. Too often, “standard” air brakes course Edmonton is focused solely on passing the exam.

How do Air Brakes work?

Instead of hydraulic fluid, compressed air is used to operate air brakes. Drum brakes, disc brakes, or a combination of both can be used as air brakes. An engine-mounted compressor compresses the air. The compressed air is then pumped into the air storage tanks, where it is stored until it is needed.

The service brakes are applied with air pressure, and the parking brake is released with air pressure. The system has several air circuits. When the air pressure in the spring brake chamber is released, the parking brake engages by spring force in the parking brake portion of the chamber. This also allows you to use the parking brake as an emergency brake. If the air pressure drops too low, the spring in the chamber will be able to overcome the force of the air on the diaphragm and apply the brakes to all four wheels.

You may compare the operation of air brakes to that of a hydraulic braking system. When the driver presses the brake pedal, air pressure is applied to the wheel in the same way as hydraulic pressure is applied in a hydraulic brake circuit.

How do Drum Brakes work?

This is how a drum brake works:

  1. The air braking mechanism is activated when the user depresses the brake pedal.

  2. The braking valves are fed with air from the reservoirs.

  3. The braking chambers receive the air from the valves.

  4. The chambers press on the slack adjusters with the pushrod.

  5. Pushrod force is converted into cam rotational force by the adjusters.

  6. The rollers rise as the cam revolves, pressing the shoes on the drum.

  7. To slow or stop the wheel, the shoe linings make contact with the drum.

  8. The brake pedal is released by the operator.

  9. The given air is ejected.

  10. The brake shoe return springs push the shoes away from the drum, forcing them to release contact.

  11. The cam rotates back to its original position as the brake shoes return to their original places.

  12. The slack adjuster returns to its previous setting.

  13. The brakes have been disengaged.

How do Disk Brakes work?

This is how a disk brake works:

  1. The air braking mechanism is activated when the user depresses the brake pedal.

  2. The braking valves are fed with air from the reservoirs.

  3. The braking chambers receive the air from the valves.

  4. The calliper is actuated by the chamber, and the force is transferred to the inner brake pad.

  5. As the inner brake pad makes contact with the braking rotor, the calliper slides on the guide pins.

  6. To move the outer pad against the rotor, a bridge moves with the calliper.

  7. The pads press on the rotor, imparting force to the wheel and bringing it to a halt.

  8. The brake pedal is released by the operator.

  9. The caliper/bridge is forced back to its resting position by the return spring.

  10. The brake pads and the brake disc detach.

  11. The brakes have been disengaged.

Take Up The Course to Know More About It

Don't worry if that sounds complex. There are numerous Air brakes courses available. In the Air brakes course Edmonton students learn how truck brakes work and how to properly service and maintain them.

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