(1)
Drain air tanks (TM 9-2320-366-10-1).
(2)
Loosen air hose 507 at air/hydraulic
power unit.
(3)
Start engine and charge air tanks
(TM 9-2320-366-10-1).
(4)
Check for presence of air at air hose 507.
(5)
If air is not present, go to step 7 of this
fault.
(6)
If air is present, replace air/hydraulic
power unit (para 19-3).
(7)
Drain air tanks (TM 9-2320-366-10-1).
(8)
Tighten air hose 507 at air/hydraulic power
unit.
Change 1
2-2228.1
TM 9-2320-366-20-3