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Page Title:
M1089 RH 30K WINCH DOES NOT OPERATE (cont) |
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 TM 9-2320-366-20-3
w9. M1089 RH 30K WINCH DOES NOT OPERATE (CONT)
KNOWN INFO
TEST OPTIONS
2.
Hydraulic tank oil level OK.
Operational Test
MAIN WINCH RH FREESPOOL
Does underlift fold cylinder
REASON FOR QUESTION
switch to OFF.
operate?
MAIN WINCH RH FREESPOOL
This question eliminates
switch OK.
possible problems and
Hydraulic tubes and fittings
determines where to continue
OK.
troubleshooting.
POSSIBLE PROBLEMS
Faulty lower main valve
NO
assembly.
Faulty pressure relief valve
assembly.
Faulty RH 30K winch
Perform Wrecker Hydraulic System
assembly.
Troubleshooting task w5. M1089 STINGER/
YES
TELESCOPIC LIFT CYLINDERS/FOLD CYLINDER/
RIGHT 30K WINCH DO NOT OPERATE.
Notify DS Maintenance.
Change 2
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