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TM 9-2320-364-20-3
2-2374
9. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (CONT).
7.
Do appropriate LHS control
assembly indicator lights
come on?
Replace LHS control
assembly
(Para 7-40).
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 faulty.
Wire 1464 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
If LHS control assembly is
faulty, 22 to 28 vdc will not be
present at DC valve.
WARNING
Read WARNING
on Page 2-2375
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