(1) Raise cab (TM 9-2320-365-10).
(2) Loosen air hose 244 at service gladhand
two-way check valve delivery port.
(3) Start engine (TM 9-2320-365-10).
(4) Apply service brakes (TM 9-2320-365-10).
(5) Check for presence of air at service gladhand
two-way check valve delivery port.
(6) Shut down engine (TM 9-2320-365-10).
(7) If air is not present, replace service gladhand
two-way check valve (para 11-23).
(8) If air is present, replace air hose 244
(para 11-19).
(9) Tighten air hose 244 at service gladhand
two-way check valve delivery port.
(10) Lower cab (TM 9-2320-365-10).
Change 1 2-1742.27
TM 9-2320-365-20-2
