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 434 of 1396

TM 9-2320-366-20-3

KNOWN INFO

TEST OPTIONS

1.

Is orifice screw or orifice

filter (if equipped) free of

debris?

Visual Inspection

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.

POSSIBLE PROBLEMS

2-2414.8

Change 1

z2. CAB DOES NOT LOWER

Debris in orifice filter (if

equipped).

Debris in orifice screw.

Faulty hydraulic manifold CAB

TILT valve.

Faulty cab hydraulic cylinder.

Tools and Special Tools

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICE-R (Item 41, Appendix C)

Pan, Drain (Item 24, Appendix C)

Goggles, Industrial (Item 15, Appendix C)

Transmitter, Pressure (Item 1, Appendix J)

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

Key, Socket Head Screw (Item 38.1, Appendix B)

References

TM 9-4910-571-12&P

INITIAL SETUP

Equipment Condition

Engine shut down (TM 9-2320-366-10-1).

Air tanks drained (TM 9-232-366-10-1).

Personnel Required

(2)

Material/Parts

Rag, Wiping (Item 50, Appendix D)

Filter Element, Fluid (Item 21.1, Appendix G)

YES

NO

Clean orifice screw and/or replace

orifice filter (if equipped).

REASON FOR QUESTION

If orifice screw and/or orifice

filter (if equipped) is clogged,

orifice screw and/or orifice

filter is faulty.

NOTE

On vehicles S/N 0001 through 7558, the hydraulic manifold,

P/N 12420621, was not originally equipped with an orifice

filter.

Orifice filter, P/N 117073098-000, however, may have

been installed during previous maintenance to the hydraulic

manifold.

START