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 460 of 1396

KNOWN INFO

1.

WARNING

Read WARNING

on following page.

YES

NO

START

NOTE

TEST OPTIONS

REASON FOR QUESTION

If 75-120 PSI (518-827 kPa) is

not present, 30K winch

pneumatic manifold is faulty.

Air Pressure Test

STE/ICE-R Test #50

Is 75-120 PSI

(518-837 kPa) present at

pneumatic manifold solenoid

L17 port 1?

Repair 30K winch pneumatic

solenoid or replace solenoid L17

(para 17-29).

aa3. MAIN WINCH RH FREESPOOL DOES NOT OPERATE

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)

References

TM 9-4910-571-12&P

Perform Electrical System Troubleshooting

task e140.

Main Winch LH or RH Freespool

Switch Does Not Operate prior to beginning

this task.

POSSIBLE PROBLEMS

TM 9-2320-366-20-3

2-2426

Change 1

RH 30K winch operates.

STATION SELECTOR switch to

WRECKER CONTROL PANEL.

MODE SELECTOR SWITCH to

NORMAL.

MAIN WINCH LH SPEED

switch operates.

LH 30K winch freespools.

MAIN WINCH RH FREESPOOL

switch OK.

M1089 control panel wiring

harness OK.

Terminal block jumper OK.

Faulty 30K winch pneumatic

manifold solenoid L17.

Faulty air hose.

Faulty RH 30K winch

assembly.

INITIAL SETUP

Equipment Conditions

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

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

Personnel Required

(2)