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 458 of 1396

KNOWN INFO

WARNING

Read WARNING

on following page.

YES

NO

TEST OPTIONS

REASON FOR QUESTION

Air Pressure Test

STE/ICE-R Test #50

2.

Replace air hose (para 23-5).

Notify DS Maintenance, LH 30K

winch assembly is faulty.

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

not present, air hose is faulty.

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

present, LH 30K winch

assembly is faulty.

aa2. MAIN WINCH LH FREESPOOL DOES NOT OPERATE (CONT)

POSSIBLE PROBLEMS

Faulty air hose.

Faulty LH 30K winch

assembly.

Is 75-120 PSI

(518-837 kPa) present at LH

30K winch freespool input

90 degree fitting?

TM 9-2320-366-20-3

2-2424

Change 1

LH 30K winch operates.

STATION SELECTOR switch to

WRECKER CONTROL PANEL.

MODE SELECTOR SWITCH to

NORMAL.

MAIN WINCH LH SPEED

switch operates.

RH 30K winch freespools.

MAIN WINCH LH FREESPOOL

switch OK.

M1089 control panel wiring

harness OK.

Terminal block jumper OK.

30K winch pneumatic manifold

solenoid L19 OK.