TM 9-2330-267-14&P
3-7. OPERATIONAL AIR LEAK CHECK.
a. Couple trailer to towing vehicle and connect
all intervehicular air hoses (para 2-10).
b. Start towing vehicle and watch air pressure
gage (1) for normal reading. Refer to towing vehicle
technical manual for instructions.
c. Push brake pedal down to applied position
and hold.
d. Shut down towing vehicle engine.
e. Watch air pressure gage (1) for two minutes.
If pressure drops more than 10% within two minutes,
notify organizational maintenance.
3-12
