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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
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).
Force & Torque Generated Using Compressed Air. Air compressor stores energy in reservoirs as compressed air. Air pressure is directed to brake chambers through valves and air lines. Pressure builds in brake chambers and applies foundation brakes.
placed in the correct operating environment, air disc brakes can be used successfully on today’s modern commercial vehicle. Sizing the brake to meet the specifi c load carrying requirements of the trailer can improve the vehicle’s average stopping distances.
Air Brake Products ... Working Pressure: 150 psi (10.3 bar) Fittings: NTA, PTC, PMT Part Number Tube OD Outside Diameter Inside Diameter Burst Pressure at 73°F /23°C Minimum Bend Radius inch inch mm inch mm psi bar inch mm 1120-2A-XXX-1000 1/8 .125 3.2 .079 2.0 1000 69.0 .370 9.4
