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 574 of 1632
KNOWN INFO
1.
TEST OPTIONS
Operational Test
REASON FOR QUESTION
This question eliminates
possible problems and
determines where
troubleshooting continues.
YES
NO
Does MAIN WINCH LH
SPEED switch operate?
Go to step 4 of this fault.
TM 9-2320-366-20-2
2-1446.12
Change 1
POSSIBLE PROBLEMS
e139.
MAIN WINCH LH OR RH SPEED SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL
Faulty STATION SELECTOR
switch.
Faulty MAIN WINCH LH
SPEED switch.
Faulty MAIN WINCH RH
SPEED switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty M1089 control panel
power cable assembly.
Faulty M1089 rear lights cable
assembly.
Faulty auxiliary panel cable
assembly.
Faulty dashboard cable
assembly.
Faulty jumper wire.
Faulty wrecker hydraulic
system.
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.
WARNING
Read WARNING
on following page.
START
NOTE
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Wrecker control panel top cover removed
(para 14-4).
Personnel Required
(2)
Tools and Special Tools
Tool Kit, Genl Mech (Item 46, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
STE/ICE-R (Item 41, Appendix C)
References
TM 9-4910-571-12&P
Perform Electrical System Troubleshooting
task e1.
Circuit Breaker Does Not Operate on
circuit breaker CB50 prior to beginning this
task.
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