CDL Air Brake Governor

CDL Air Brake Governor

Like a thermostat on a furnace, the governor controls the compressor. Governor | Air Brake Course Updated Jan 2021 Introduction The only difference between a compressor in a shop or a garage and the compressor on an air brake equipped vehicle is that the compressor...
The Compressor and Build Up Test

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

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...
Tractor Protection Valve and System

Tractor Protection Valve and System

The system consists of the tractor protection valve and the trailer supply valve. Updated Jan 2021 Prevents total loss of air from the tractor if the trailer breaks away from the tractor or if the connection lines between the tractor and the trailer becomes separated...