CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO NOT OPERATE (cont)

TM 9-2320-366-20-3

u1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO

NOT OPERATE (CONT)

KNOWN INFO

TEST OPTIONS

Pressure Test or

Hydraulic hoses free from

STE/ICE-R Test #51

leaks.

Is 2,500-4,000 psi

REASON FOR QUESTION

Air/hydraulic manifold filters

(17,238-27,580 kPa)

OK.

present at air/hydraulic

If 2,500-4,000 psi (17,238-

Hydraulic hose 514 OK.

power unit output port?

27,580 kPa) is present,

Back-up hydraulic pump OK.

hydraulic hose 515 is faulty.

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.

Go to step 6

YES

of this fault.

Replace hydraulic hose

515 (para 19-12).

2-2226

Change 1