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TM 9-2320-364-20-2
2-1654
54. 12 AND 24 VOLT SYSTEMS NOT CHARGING OR UNDER CHARGING
(200 AMP) (CONT).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Isolate fault.
YES
NO
Go to Step 6 of this
Fault.
4.
Is alternator and voltage
regulator functioning
properly?
WARNING
Read WARNING
on Page 2-1655
Both voltmeters indicate low
charge.
Batteries OK.
Fuel pump operates indicating
24 vdc present at CB24.
Alternator belts OK.
Fusible link loop OK.
Wire 1275 OK.
Alternator faulty.
Voltage regulator faulty.
Wire 1020A faulty.
Oil pressure switch faulty.
Wire 1020B faulty.
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