TM-9-2320-366-20-3

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 3 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-3 - Page 250 of 1396

KNOWN INFO

YES

NO

Is 2,500-4,000 psi

(17,238-27,580 kPa)

present at back-up hydraulic

pump return port?

Go to step 15

of this fault.

12.

Hydraulic hoses free from

leaks.

Air/hydraulic manifold filters

OK.

Hydraulic hose 515 OK.

Air/hydraulic power unit OK.

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.

TEST OPTIONS

Pressure Test or

STE/ICE-R Test #51

REASON FOR QUESTION

This question eliminates

possible problems and

determines where

troubleshooting continues.

TM 9-2320-366-20-3

2-2228.12

Change 1

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

NOT OPERATE (CONT)