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

Visual Inspection

Hydraulic hoses free from

REASON FOR QUESTION

leaks.

Is air present at secondary

Air/hydraulic manifold filters

air tank inversion valve

If air is not present, secondary

OK.

delivery port?

air tank inversion valve is

Hydraulic hose 515 OK.

faulty. If air is present, air

Air/hydraulic power unit OK.

hose 502 is faulty.

Air hose 507.

Hydraulic hose 514 OK.

Back-up hydraulic pump OK.

Hydraulic hose 521 OK.

Hydraulic hose 520 OK.

Air/hydraulic manifold OK.

POSSIBLE PROBLEMS

Faulty secondary air tank

inversion valve.

Faulty air hose 502.

Replace secondary air tank

YES

inversion valve (para 23-6).

Replace air hose

502 (para 23-3).

2-2228.6

Change 1