*** Class B CDL - Air Brake Test - School Bus ***

A newer version of this video exist.  Please, go to: 34. Air Brake Test – School Bus – Cla...

Presentation of the Air Brake Test on a 2011 IC Conventional Style School Bus (Pre-Trip Inspection), using the acronym "SALSSP", in Richmond Hill, Georgia.

S: Safe Start
A: Air Leak Test
L: Low Air Pressure Warning Test
S: Spring Brake
S: Service Brake
P: Parking Brake

The air brake is applied, when the yellow diamond button is pulled.  It is released when the same button is pushed.

**  At approximately 120 psi, the airdryer pops. It sends bursts of air back to governor to stop the compressor from pumping air.  **

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