


The Compressor and Build Up Test
For an air brake exam; you must know how to test the compressor. Air Brakes | The Compressor Introduction The only difference between a compressor on an air brake equipped vehicle and one that you would find in a garage or shop is that the one in the air brake...
Basic CDL Air Brake Components
All air brake systems have the same basic components. Air Brakes | Basic Components Updated Jan 2021 Introduction The fundamental components consists of: the compressor, the governor, air tanks, airlines, the brake pedal, and the foundation brakes. And the...Trailer Hand Control (Spike)
OBSOLETE Independently applies and releases the trailer service brakes. Knowledge Test Question: This air brake control is not to be used for parking. Although most tractors are still equipped with hand valves, beyond a trailer service tug test, these air brake...