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Page Title:
MAIN WINCH LH AND RH FREESPOOLS DO NOT OPERATE |
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 TM 9-2320-366-20-3
INITIAL SETUP
Equipment Conditions
Tools and Special Tools
Engine shut down (TM 9-2320- 366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
Air tanks drained (TM 9-2320-366-10-1).
STE/ICE-R (Item 41, Appendix C)
M1089 30K Winch Pneumatic Test Adapter
Personnel Required
(Item 25, Appendix E)
(2)
M1089 30K Winch Test Adapter
(Item 7, Appendix E)
References
Goggles, Industrial (Item 15, Appendix C)
TM 9-4910-571-12&P
Material/Parts
Tape, Antiseizing (Item 66, Appendix D)
NOTE
Perform Electrical System Troubleshooting task
e140. Main Winch LH or RH Freespool Switch
Does Not Operate prior to beginning
this task.
START
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
1.
Air Pressure Test
LH and RH 30K winches
STE/ICE-R Test #50
operates.
Is 75-120 PSI
REASON FOR QUESTION
STATION SELECTOR switch to
(518-837 kPa) present at
WRECKER CONTROL PANEL.
This question eliminates
input tee fitting on pressure
MODE SELECTOR SWITCH to
possible problems and
regulator valve?
NORMAL.
determines where
MAIN WINCH LH and RH
troubleshooting continues.
SPEED switch operates.
Terminal block jumper OK.
POSSIBLE PROBLEMS
Faulty pressure protection
NO
valve.
Faulty air hose.
Faulty M1089 30K winch
manifold assembly.
Faulty M1089 30K winch
YES
Go to step 5 of this fault.
pneumatic manifold assembly.
Change 1
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