Air Brake Manual Ch3

Question 1

What are normal brakes called?

Answer 1

Service Brakes

Question 2

Dual circuit design allows what to happen if one circuit fails?

Answer 2

If one circuit fails, the brakes will still operate on the wheels connected to the other circuit.

Question 3

Compressed air is converted in mechanical force where?

Answer 3

Air Brake Chamber

Question 4

There are two kinds of air brake chambers

Answer 4

1) Service Brake Chamber
2) Spring Brake Chamber

Question 5

How does a service brake chamber work?

Answer 5

1) Contains a flexible rubber disc (diaphragm), a metal rod (pushrod) and return spring.
2) When the brake pedal is pushed, compressed air fills the service chamber
3) Causing the diaphragm to move and push out the pushrod to apply the brakes