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TM 9-2320-364-20-4
2-3154
3. LHS DOES NOT UNLOAD IN CHU MODE (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
3.
Is continuity present between
wire 1464 at relay R51, termi-
nal 30 and connector MC82A,
terminal D?
WARNING
Read WARNING
on Page 2-3155
Rear lock limit switches OK.
Wires 1495 and/or 1496 not
shorted.
Continuity test.
Power to operate the hook arm
up solenoid is provided by wire
1464 in the control box. If wire
1464 is open, power will not
reach the solenoid.
Repair wire 1464
(see schematic
Fig 2-79) or notify DS
Maintenance. Verify
repair, go to Step 7 of
this Fault.
YES
Wire 1464 open.
Relay R51 faulty.
Wire 1464 from connector
MC82B to relay R51 open.
Wire 1496 from connector MC185
to connector MC190 faulty.
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