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TM 9-2320-364-20-4
2-3184
Replace proximity
switch (hook arm up)
(Para 21-24). Verify
repair, go to Step 17 of
this Fault.
5. HOOK ARM EXTENDS TOO FAR IN CHU MODE (AUTO) (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
5.
WARNING
Read WARNING
on Page 2-3185
Continuity test.
If continuity is not present, CHU
control box is faulty.
YES
CHU jumper wire harness OK.
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch properly
adjusted.
LED of proximity switch
illuminates.
Wire 1466B of wire harness OK.
Is continuity present between
wire 1466B at connector
MC185, terminal C and relay
R50, position 87?
Repair wire 1466B
(see schematic Fig
2-79) or notify DS
Maintenance. Verify
repair, go to Step 17 of
this Fault.
Wire 1466B is faulty.
Proximity switch is faulty.
Wire 1465 is faulty.
Wire 1435 is faulty.
Wire 1495 is faulty.
Wire 1496 is faulty.
Relay R52 faulty.
Relay R51 faulty.
Wire 1474 of wire harness is
faulty.
Wire 1474 is faulty.
Wire 1472 is faulty.
Wire 1435 of wire harness is
faulty.
Wire 1435 is faulty.
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