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Page Title:
M1089 LH 30K WINCH DOES 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)
Pan, Drain (Item 24, Appendix C)
Materials/Parts
Goggles, Industrial (Item 15, Appendix C)
Rag, Wiping (Item 50, Appendix D)
START
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
1.
Visual Inspection
Hydraulic tank oil level OK.
MAIN WINCH LH FREESPOOL
Are hydraulic tubes and
REASON FOR QUESTION
switch to OFF.
fittings free from leaks or
MAIN WINCH LH FREESPOOL
damage?
Leaking hydraulic tubes or
switch OK.
fittings will cause LH 30K
winch not to operate.
POSSIBLE PROBLEMS
Faulty hydraulic tubes and
fittings.
NO
Faulty upper main valve
assembly.
Faulty pressure relief valve
assembly.
Faulty LH 30K winch
Tighten loose fitting(s) and
assembly.
YES
replace damaged hydraulic
tube(s) and fitting(s) (para 17-27).
Change 2
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