Air Brake Check

Question 1

Air Brake Check

Answer 1

1. Preparation
2. Static
3. Applied
4. Low Pressure
5. Spring Brake
6. Emergency Brake Hold
   Service Brake Check

Question 2

Preparation

Answer 2

Shut off bus - turn key to on. Step on Service brake & release park brake. slowly release service brake- bus rolls

Question 3

Static check

Answer 3

after air loss, watch gauge 1 minute for < 2 psi.

Question 4

Applied Check

Answer 4

step on brake & hold 1minute < 3 psi.

Question 5

Low Pressure Warning

Answer 5

Pump brake between 65-55 low pressure light and alarm come on

Question 6

Spring Brake

Answer 6

Continue brake pumping @ 45-20 yellow emergency button pops.