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

12.

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)

This question eliminates

OK.

present at back-up hydraulic

possible problems and

Hydraulic hose 515 OK.

pump return port?

determines where

Air/hydraulic power unit OK.

troubleshooting continues.

Air hose 507 OK.

Secondary air tank inversion

valve OK.

Air hose 502 OK.

Air hose 514 OK.

POSSIBLE PROBLEMS

Faulty

back-up hydraulic pump.

Faulty

hydraulic hose 521.

Faulty

hydraulic hose 520.

Faulty

air/hydraulic manifold.

Go to step 15

YES

of this fault.

2-2228.12

Change 1