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 576 of 1632
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
This question eliminates
possible problems and
determines where
troubleshooting continues.
YES
NO
2.
Go to step 7 of this fault.
Voltage Test or
STE/ICE-R Test #89
WARNING
Read WARNING
on following page.
TM 9-2320-366-20-2
2-1448
Change 1
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.
STATION SELECTOR switch
OK.
MAIN WINCH LH SPEED
switch OK.
M1089 control panel power
cable assembly OK.
M1089 rear lights cable
assembly.
Auxiliary panel cable assembly
OK.
Dashboard cable assembly OK.
POSSIBLE PROBLEMS
Faulty MAIN WINCH RH
SPEED switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty jumper wire.
Faulty wrecker hydraulic
system.
e139. MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
Is 24 VDC present at
terminal lug on wire 12?
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