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TM 9-2320-364-20-3
2-2462
14. LHS DOES NOT UNLOAD IN AUTO MODE (CONT).
3.
Replace hydraulic
selector switch
(Para 7-31).
Verify repair, go to
Step 10 of this Fault.
YES
NO
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch (hook arm up)
adjustment OK.
Wire 1485 OK.
Hydraulic selector switch faulty.
Wire 1461 faulty.
Wire 1435 faulty.
Proximity switch (hook arm up)
faulty.
Wire 1466 faulty.
LHS control assembly 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
Is continuity measured at
hydraulic selector switch
connector MC94, terminal A
and switch connector MC94,
terminal E?
Read WARNING
on Page 2-2463
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