(1) Disconnect dummy coupling from service
gladhand.
(2) Start engine (TM 9-2320-365-10).
(3) Push in TRAILER AIR SUPPLY control
(TM 9-2320-365-10).
(4) Apply service brakes (TM 9-2320-365-10).
(5) Check for presence of air at service
gladhand.
(6) Shut down engine (TM 9-2320-365-10).
(7) Connect dummy coupling to service gladhand.
(8) If air is not present, go to step 10 of
this fault.
Change 1 2-1741
TM 9-2320-365-20-2
