KNOWN INFO
NO
YES
4.
Is 2,500-4,000 psi
(17,238-27,580 kPa)
present at port P1?
Replace air/hydraulic
manifold (para 19-4).
Go to step 5
of this fault.
Hydraulic hoses free from
leaks.
Air/hydraulic manifold filters
OK.
Hydraulic hose 514 OK.
Back-up hydraulic pump OK.
Hydraulic hose 521 OK.
Hydraulic hose 520 OK.
POSSIBLE PROBLEMS
Faulty hydraulic hose 515.
Faulty air/hydraulic power unit.
Faulty air hose 507.
Faulty secondary air tank
inversion valve.
Faulty air hose 502.
Faulty air/hydraulic manifold.
TEST OPTIONS
Pressure Test or
STE/ICE-R Test #51
REASON FOR QUESTION
If 2,500-4,000 psi (17,238-
27,580 kPa) is present,
air/hydraulic manifold is faulty.
TM 9-2320-365-20-2
2-1964 Change 1
t1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO
NOT OPERATE (CONT)
