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TM 9-2320-364-20-4
2-3160
3. LHS DOES NOT UNLOAD IN CHU MODE (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
6.
WARNING
Read WARNING
on Page 2-3161
Continuity test.
If terminal 85 is grounded, the
relay will be open all the time.
This will open the circuit to the
hook arm up solenoid, causing it
not to function.
Repair wire 1496 to
MC190 connector
(see schematic
Fig 2-80) or notify DS
Maintenance. Verify
repair, go to Step 7 of
this Fault.
YES
Is continuity present between
relay R51, terminal 85 and
known good ground?
Fault not corrected.
Notify DS
Maintenance.
Rear lock limit switches OK.
Wires 1495 and/or 1496 are not
shorted.
Wire 1464 OK.
Relay R51 OK.
Wire 1464 from connector
MC82B to relay R51 OK.
Wire 1496 from connector MC185
to connector MC190 faulty.
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