1-20. COMPRESSED AIR AND BRAKE SYSTEM OPERATION (Contd)
Air Pressure Supply System Operation.
A constant air pressure supply is developed by the compressor which is regulated by the governor to maintain
90 to 120 psi (621 to 827 kPa) for the airbrake system. Moisture within the system is controlled through the use of either
the alcohol evaporator or air dryer. The major components of the system are: