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

14.

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.

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

present at back-up hydraulic

Hydraulic hose 515 OK.

27,580 kPa) is not present,

pump output port?

Air/hydraulic power unit OK.

back-up hydraulic pump is

Air hose 507 OK.

faulty. If 2,500-4,000 psi

Secondary air tank inversion

(17,238-27,580 kPa) is

valve OK.

present, hydraulic hose 521 is

Air hose 502 OK.

faulty.

Air hose 514 OK.

Hydraulic hose 520 OK.

Air/hydraulic manifold OK.

POSSIBLE PROBLEMS

Faulty back-up hydraulic pump.

Faulty hydraulic hose 521.

Replace back-up

YES

hydraulic pump (para 19-2).

Replace hydraulic hose

521 (para 19-12).

2-2228.16

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