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TM 9-2320-364-20-3
2-2332
4.
Is continuity measured at
ground and all four safe
lowering valve harness
connectors, terminal 1?
Repair wire 1435
(see schematic
Fig 2-52) or notify
DS Maintenance.
Verify repair, go to
Step 9 of this Fault.
NO
Hook arm operates in manual
mode.
Middle frame operates in
manual mode.
Wire 1470 OK.
Wire 1475 OK.
Wire 1435 faulty.
Hook arm safe lowering button
faulty.
Wire 1479 faulty.
Wire 1477 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire 1435 from any one of the
four safe lowering valves is
loose or faulty, that safe
lowering valve will not be
grounded.
WARNING
7. LOSS OF HOOK ARM SAFE LOWERING FUNCTION (CONT).
Notify DS
Maintenance.
YES
Read WARNING
on Page 2-2333
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