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TM 9-2320-364-20-4
2-3178
5. HOOK ARM EXTENDS TOO FAR IN CHU MODE (AUTO) (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
2.
Visual test.
If the LED is illuminated, this in-
dicates that the proximity switch
is functioning properly.
YES
CHU jumper wire harness OK.
LHS operates in MAN HA
position.
LHS operates in MAN MF
position.
Proximity switch properly
adjusted.
Does LED of proximity switch
illuminate in CHU mode?
Go to Step 11 of this
Fault.
LED of proximity switch not
illuminated.
Wire 1466B of wire harness is
faulty.
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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