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TM 9-2320-364-20-3
2-2364
9. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (CONT).
2.
Are LHS hydraulic tubes 2881,
2882,2891 and 2892 free of
damage crimps or leaks and
are fittings free of leaks?
Tighten hose fittings,
or if tube damaged,
notify DS
Maintenance.
Verify repair, go to
Step 10 of this Fault.
YES
NO
LHS hoses OK.
LHS tubes leaking or damaged.
Wire 1489 faulty.
Wire 1482 faulty.
Hydraulic selector switch faulty.
LHS control assembly faulty.
Wire 1464 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Leaking or damaged tubes or
fittings may not deliver adequate
supply pressure to hook arm
cylinders.
WARNING
Read WARNING
on Page 2-2365
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