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TM 9-2320-364-20-4
2-3194
5. HOOK ARM EXTENDS TOO FAR IN CHU MODE (AUTO) (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
10.
WARNING
Read WARNING
on Page 2-3195
Continuity test.
If continuity is not present, relay
52 is faulty.
YES
Is continuity present between
relay R52, terminal 87 and ter-
minal 30 with relay ener-
gized?
Replace relay R52
(Para 21-23). Verify
repair, go to Step 17 of
this Fault.
Replace relay R51
(Para 21-23). Verify
repair, go to Step 17 of
this Fault.
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.
Wire 1466B OK.
Proximity switch OK
Wire 1465 OK.
Wire 1435 OK.
Wire 1495 OK.
Wire 1496 OK.
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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