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 474 of 1396

KNOWN INFO

1.

NO

Go to step 3 of this fault.

YES

TEST OPTIONS

Air Pressure Test

STE/ICE-R Test #50

REASON FOR QUESTION

This question eliminates

possible problems and

determines where

troubleshooting continues.

aa5.

M1089 LH OR RH 30K WINCH CABLE DRUM TENSIONER DOES NOT OPERATE

POSSIBLE PROBLEMS

Is 55-65 PSI (380-448 kPa)

present at output 90 degree

fitting of shuttle valve?

WARNING

Read WARNING

on following page.

NOTE

M1089 LH and RH 30K winch cable drum

tensioners are tested the same way.

LH

side shown.

INITIAL SETUP

Equipment Conditions

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

Air tanks drained (TM 9-2320-366-10-1).

M1089 control panel covers removed (para 17-20)

(RH side).

Personnel Required

(2)

References

TM 9-4910-571-12&P

Tools and Special Tools

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

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

M1089 30K Winch Pneumatic Test Adapter

(Item 25, Appendix E)

Goggles, Industrial (Item 15, Appendix C)

Nut, Self-Locking (2) (Item 133, Appendix G)

Sealing Compound (Item 58, Appendix D)

Main winch LH/RH freespools.

Faulty M1089 LH/RH 30K

winch cable tensioner.

Faulty 30K winch pneumatic

manifold solenoid L8/L4.

Faulty M1089 LH/RH 30K

winch pneumatic valve

assembly.

Faulty air hose.

2-2430

Change 1

TM 9-2320-366-20-3