KNOWN INFO
Replace air/hydraulic
manifold (para 19-4).
Is 2,500-4,000 psi
(17,238-27,580 kPa)
present at port T1?
11.
NO
YES
Hydraulic hoses free from
leaks.
Air/hydraulic manifold filters
OK.
Hydraulic hose 515.
Air/hydraulic power unit OK.
Air hose 507 OK.
Secondary air tank inversion
valve OK.
Air hose 502 OK.
Back-up hydraulic pump OK.
Hydraulic hose 521 OK.
Hydraulic hose 520 OK.
POSSIBLE PROBLEMS
Faulty hydraulic hose 514.
Faulty air/hydraulic manifold.
Replace hydraulic hose
514 (para 19-11).
If 2,500-4,000 psi (17,238-
27,580 kPa) is not present,
air/hydraulic manifold is faulty.
If 2,500-4,000 psi (17,238-
27,580 kPa) is present,
hydraulic hose 514 is faulty.
REASON FOR QUESTION
Pressure Test or
STE/ICE-R Test #51
TEST OPTIONS
TM 9-2320-365-20-2
2-1968.10 Change 1
t1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO
NOT OPERATE (CONT)