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TM 9-2320-364-20-3
2-2372
Is continuity
measured at
hydraulic
selector switch harness
connector MC93 terminal D
and harness connector MC94,
terminal E with switch in MAN
HA position?
9. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (CONT).
6.
Replace hydraulic
selector switch
(Para 7-31).
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 faulty.
LHS control assembly faulty.
Wire 1464 faulty.
Wire 1435 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If hydraulic selector switch is
faulty, 22 to 28 vdc will not be
present at LHS control
assembly.
WARNING
Read WARNING
on Page 2-2373
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