TM-9-2320-366-20-2

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-2 - Page 624 of 1632

TEST OPTIONS

REASON FOR QUESTION

YES

NO

KNOWN INFO

TM 9-2320-366-20-2

POSSIBLE PROBLEMS

9.

Faulty M1089 control panel

wiring harness.

Faulty jumper wire.

Faulty wrecker air system.

Is 24 VDC present at

terminal block TB19?

Replace M1089 control panel

wiring harness (para 7-83)

Voltage Test or

STE/ICE-R Test #89

If 24 VDC is not present,

M1089 control panel wiring

harness is faulty.

WARNING

Read WARNING

on following page.

2-1456.12

Change 1

e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER

CONTROL PANEL (CONT)

LH and RH winches operate

from wrecker control panel.

Circuit breaker CB50 OK.

STATION SELECTOR switch to

WRECKER CONTROL PANEL.

MODE SELECTOR SWITCH to

NORMAL.

MAIN WINCH LH and RH

SPEED switches operate.