(1) Loosen air hose 503 at cab leveling valve tee
fitting check valve output port.
(2) Check for pressure of air at cab leveling valve
tee fitting check valve output port.
(3) Tighten air hose 503 at cab leveling valve tee
fitting check valve output port.
(4) Lower cab (TM 9-2320-365-10).
(5) If air is not present, replace cab leveling valve
tee fitting (para 16-8).
(6) If air is present, replace air hose 503
(para 23-3).
Change 1 2-1974.3
TM 9-2320-365-20-2