KNOWN INFO
YES
NO
8.
Hydraulic hoses free from
leaks.
Air/hydraulic manifold filters
OK.
Hydraulic hose 515 OK.
Air/hydraulic power unit OK.
Air hose 507.
Hydraulic hose 514 OK.
Back-up hydraulic pump OK.
Hydraulic hose 521 OK.
Hydraulic hose 520 OK.
POSSIBLE PROBLEMS
Go to step 9
of this fault.
Is air present at AIR IN P
port?
Replace air/hydraulic
manifold (para 19-4).
Faulty air/hydraulic manifold.
Faulty secondary air tank
inversion valve.
Faulty air hose 502.
If air is present, air/hydraulic
manifold is faulty.
REASON FOR QUESTION
TEST OPTIONS
TM 9-2320-365-20-2
2-1968.4 Change 1
t1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO
NOT OPERATE (CONT)
Visual Inspection
