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TM 9-2320-364-20-3
2-2376
9. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (CONT).
8.
Repair wire 1464
(see schematic
Fig 2-52) or notify
DS Maintenance.
Verify repair, go to
Step 10 of this Fault.
YES
NO
LHS hoses OK.
LHS tubes OK.
Wire 1489 OK.
Wire 1482 OK.
Hydraulic selector switch OK.
LHS control assembly OK.
Wire 1464 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire 1464 is faulty, 22 to 28
vdc will not be present at hook
arm up DC valve.
WARNING
Is continuity measured on
wire 1464 at hook arm up DC
valve harness connector,
terminal 2 and harness
connector MC81, terminal D?
Read WARNING
on Page 2-2377
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