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 438 of 1396

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

on following page.

TM 9-2320-366-20-3

REASON FOR QUESTION

Pressure Test or

STE/ICE-R Test #51

If 2,500-4,000 psi (17,237-

27,580 kPa) is not present,

hydraulic manifold CAB TILT

valve is faulty.

If 2,500-4,000

psi (17,237-27,580 kPa) is

present, cab hydraulic cylinder

is faulty.

2.

Air/hydraulic power unit oil

level OK.

Air/hydraulic power unit primed.

Hydraulic and air hoses OK.

Air tanks charged.

Hydraulic oil filter OK.

Other hydraulic manifold

functions OK.

Orifice filter OK.

Orifice screw OK.

POSSIBLE PROBLEMS

2-2414.12

Change 1

z2. CAB DOES NOT LOWER (CONT)

Faulty hydraulic manifold CAB

TILT valve.

Faulty cab hydraulic cylinder.

Is 2,500-4,000 psi

(17,237-27,580 kPa)

present at CAB LOWER

output port?

NO

YES

Repair hydraulic manifold CAB TILT

valve (para 19-4).

Replace cab hydraulic cylinder (para 19-11).