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 254 of 1396

KNOWN INFO

YES

NO

14.

Is 2,500-4,000 psi

(17,238-27,580 kPa)

present at back-up hydraulic

pump output port?

Replace back-up

hydraulic pump (para 19-2).

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.

Hydraulic hose 520 OK.

Air/hydraulic manifold OK.

POSSIBLE PROBLEMS

Faulty back-up hydraulic pump.

Faulty hydraulic hose 521.

Replace hydraulic hose

521 (para 19-12).

TEST OPTIONS

Pressure Test or

STE/ICE-R Test #51

REASON FOR QUESTION

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

27,580 kPa) is not present,

back-up hydraulic pump is

faulty.

If 2,500-4,000 psi

(17,238-27,580 kPa) is

present, hydraulic hose 521 is

faulty.

TM 9-2320-366-20-3

2-2228.16

Change 1

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

NOT OPERATE (CONT)