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Page Title:
M1089 STIFFLEG(S) DOES NOT OPERATE OR OPERATES SLOWLY (CONT) |
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 TM 9-2320-366-20-3
TM
w3. M1089 STIFFLEG(S) DOES NOT OPERATE OR OPERATES SLOWLY (CONT)
w3.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING
2.
Hydraulic oil level OK.
V1 Pressure Test
on following page.
REASON FOR QUESTION
PTO OK.
Is pressure present at
Stiffleg(s) will not operate
Left 30K winch OK.
port V1 of cylinder
if upper main control valve
15K self-recovery
for affected stiffleg?
is faulty.
winch OK.
Hydraulic hoses, tubes
and fittings OK.
POSSIBLE PROBLEMS
NO
Faulty upper main control
valve.
Faulty stiffleg relief valve.
Notify DS Maintenance.
Faulty stiffleg cylinder.
YES
2-2250
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