TM 9-2320-272-10
1-20.
COMPRESSED AIR AND BRAKE SYSTEM OPERATION (Contd)
(2)
The constant air pressure supply is distributed to the primary service airbrake system (para e.) and secondary
airbrake system (para c.) through a shutoff and check valve. Air pressure can either be fed from or supplied to another
vehicle through the emergency couplings.
1-60
