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

TM 9-2320-366-20-3

aa5. M1089 LH OR RH 30K WINCH CABLE DRUM TENSIONER DOES NOT OPERATE

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

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

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

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

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

M1089 control panel covers removed (para 17-20)

M1089 30K Winch Pneumatic Test Adapter

(RH side).

(Item 25, Appendix E)

Goggles, Industrial (Item 15, Appendix C)

Personnel Required

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

(2)

Sealing Compound (Item 58, Appendix D)

References

TM 9-4910-571-12&P

NOTE

M1089 LH and RH 30K winch cable drum

tensioners are tested the same way. LH

side shown.

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Main winch LH/RH freespools.

Air Pressure Test

STE/ICE-R Test #50

Is 55-65 PSI (380-448 kPa)

POSSIBLE PROBLEMS

present at output 90 degree

REASON FOR QUESTION

Faulty M1089 LH/RH 30K

fitting of shuttle valve?

This question eliminates

winch cable tensioner.

possible problems and

Faulty 30K winch pneumatic

determines where

manifold solenoid L8/L4.

troubleshooting continues.

Faulty M1089 LH/RH 30K

winch pneumatic valve

assembly.

Faulty air hose.

YES

Go to step 3 of this fault.

2-2430

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