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TM 9-2320-364-20-2
2-1638
52. 24 VOLT SYSTEM NOT CHARGING OR UNDER CHARGING (145 AMP) (CONT).
24 vdc voltmeter indicates low
charge.
12 vdc voltmeter indicates
proper charge.
Batteries OK.
Fuel pump operates indicating
24 vdc present at DUVAC
controller IGN terminal.
Windshield wipers operate
indicating wires 1281 and
1277 and magnetic switch
are OK.
Voltage regulator OK.
26-28 vdc measured at terminal
2 of DUVAC controller.
Wire 1435 OK.
24 vdc voltmeter OK.
Wire 1702 OK.
DUVAC controller out of
adjustment.
DUVAC controller faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If the DUVAC controller cannot
be adjusted within proper limits,
the DUVAC controller is faulty.
YES
NO
Replace DUVAC
controller (Para 7-9).
Verify repair, go to
Step 6 of this Fault.
5.
Can DUVAC be adjusted
within proper limits?
Adjust DUVAC
controller (Para 7-10).
Verify repair, go to
Step 6 of this Fault.
WARNING
Read WARNING
on Page 2-1639
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