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Page Title:
MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER CONTROL PANEL (cont) |
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 TM 9-2320-366-20-2
e140. MAIN WINCH LH OR RH FREESPOOL SWITCH DOES NOT OPERATE FROM WRECKER
CONTROL PANEL (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
5.
LH and RH winches operate
Operational Test
from wrecker control panel.
Does RH 30K winch
REASON FOR QUESTION
Circuit breaker CB50 OK.
freespool?
STATION SELECTOR switch to
This question eliminates
WRECKER CONTROL PANEL.
possible problems and
MODE SELECTOR SWITCH to
determines where
NORMAL.
troubleshooting continues.
MAIN WINCH LH and RH
SPEED switches operate.
NO
POSSIBLE PROBLEMS
Faulty MAIN WINCH LH
FREESPOOL switch.
Faulty MAIN WINCH RH
YES
Go to step 9 of this fault.
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.
2-1456.4
Change 1
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