(1) Tighten air hose 119 at inversion valve supply
port.
(2) Loosen air hose 118 at inversion valve delivery
port.
(3) Check for presence of air at air hose 118.
(4) If no air is present, replace inversion valve
(para 11-12).
Change 1 2-1659
TM 9-2320-365-20-2