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

15.

Pressure Test or

Hydraulic hoses free from

STE/ICE-R Test #51

leaks.

REASON FOR QUESTION

Is 2,500-4,000 psi

Air/hydraulic manifold filters

(17,238-27,580 kPa)

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

OK.

present at port T2?

27,580 kPa) is not present,

Hydraulic hose 515.

air/hydraulic manifold is faulty.

Air/hydraulic power unit OK.

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

Air hose 507 OK.

27,580 kPa) is present,

Secondary air tank inversion

hydraulic hose 520 is faulty.

valve OK.

Air hose 502 OK.

Hydraulic hose 514 OK.

Back-up hydraulic pump OK.

Hydraulic hose 521 OK.

POSSIBLE PROBLEMS

Faulty hydraulic hose 520.

Faulty air/hydraulic manifold.

Replace air/hydraulic

YES

manifold (para 19-4).

Replace hydraulic hose

520 (para 19-12).

Change 1