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TM 9-2320-364-20-3
2-2288
3. LHS OVERLOAD LIGHT DOES NOT OPERATE (CONT).
4.
Are 22 to 28 vdc measured on
wire 1479 at overload
differential pressure switch
harness connector, terminal 2
with ENGINE switch in the ON
position?
Repair wire 1479
(see schematic
Fig 2-52) or notify
DS Maintenance.
Verify repair, go to
Step 10 of this Fault.
YES
NO
LHS OVERLOAD lamp OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If wire 1479 is loose, faulty, or
shorted to ground, 22 to 28 vdc
will not be input to overload
differential pressure switch.
WARNING
Wire 1479 faulty.
Wire 1460 faulty.
Overload differential pressure
switch faulty.
LHS control assy faulty.
Wire 1726 faulty.
Wire 1435 faulty.
Read WARNING
on Page 2-2289
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