California CDL Air Brakes Test

What is the proper sequence of the seven-step air brake check in the pre-trip?

Random order is fine 1) Build pressure to governor cut-out; 2) check governor cut-in (fan brakes); 3) test air-loss rate; 4) check low pressure warning; 5) check spring brake activation; 6) test parking brake (tug test); 7) test service brake (rolling stop) Start with the parking brake test only Drain the tanks last

Correct Answer:

1) Build pressure to governor cut-out; 2) check governor cut-in (fan brakes); 3) test air-loss rate; 4) check low pressure warning; 5) check spring brake activation; 6) test parking brake (tug test); 7) test service brake (rolling stop)

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