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 616 of 1632
TEST OPTIONS
REASON FOR QUESTION
Operational Test
NO
YES
This question eliminates
possible problems and
determines where
troubleshooting continues.
KNOWN INFO
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.
POSSIBLE PROBLEMS
5.
TM 9-2320-366-20-2
2-1456.4
Change 1
Go to step 9 of this fault.
WARNING
Read WARNING
on following page.
e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
Faulty MAIN WINCH LH
FREESPOOL switch.
Faulty MAIN WINCH RH
FREESPOOL switch.
Faulty M1089 control panel
wiring harness.
Faulty M1089 30K winch
control wiring harness.
Faulty jumper wire.
Faulty 30K winch pneumatic
manifold solenoid L17.
Faulty 30K winch pneumatic
manifold solenoid L19.
Faulty wrecker air system.
Does RH 30K winch
freespool?
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