(1) Tighten air hose 103 at SYSTEM PARK air
supply valve delivery port.
(2) Loosen air hose 103 at cab floor fitting.
(3) Check for presence of air from air hose 103.
(4) If no air is present, replace air hose 103
(para 11-19).
Change 1 2-1651
TM 9-2320-365-20-2
