(1) Disconnect dummy coupling from emergency
gladhand.
(2) Start engine (TM 9-2320-365-10).
(3) Push in TRAILER AIR SUPPLY control
(TM 9-2320-365-10).
(4) Check for presence of air at emergency
gladhand.
(5) Connect dummy coupling to emergency
gladhand.
(6) Disconnect dummy coupling from service
gladhand.
(7) Apply service brakes (TM 9-2320-365-10).
(8) Check for presence of air at service gladhand.
(9) Shut down engine (TM 9-2320-365-10).
(10) Connect dummy coupling to service gladhand.
(11) If air is not present at both rear gladhands,
go to step 5 of this fault.
Change 1 2-1739
TM 9-2320-365-20-2
