Search results
Air brakes use compressed air to make the brakes work. Air brakes are a good and safe way of stopping large and heavy vehicles, but the brakes must be well maintained and used properly. Air brakes are really three different braking systems: service brake, parking brake, and emergency brake. •= The service brake system applies and releases the ...
The Seven-Step Air Brake check is designed to test the governor cut-in and cut-out pressures, air pressure leakage, warning buzzer, brake valves and air pressure rebuild rates. Brakes off means the yellow and/or red valve is pushed in (on = valve out).
The actual air brake system pressure range must never be lower than 100 psi (690 kPa) or higher than 145 psi (1000 kPa). Air compressors are generally powered directly by the vehicle’s engine or by using belts and pulleys and can be mounted either directly on the engine or by brackets and fasteners.
Basic Air Brake Components. The basic components of a simple air brake system show ing the brakes applied. This diagram shows the components that are used to make the simplest possible air brake system: A compressor to pump air, with a governor to control the compressor.
This chapter includes inspection checklists, charts and circuit diagrams that will help you complete the inspections you need to make, as well as help you prepare for the Ministry of Transportation air brake endorsement practical examination.
Air brake system means a system that uses air as a medium for transmitting pressure or force from the driver control to the service brake, including an air-over-hydraulic brake
Most large commercial vehicles are equipped with an air brake system. You must have an air brake endorsement on your driver’s licence to drive these vehicles. The purpose of this handbook is to introduce you to the knowledge and skills you need to drive a vehicle with air brakes in a safe and lawful manner.
