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Page Title:
ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT) |
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 TM 9-2320-366-20-2
e92. ELECTRICAL SYSTEM DOES NOT MAINTAIN A CHARGE (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
8.
Voltage Test or
Engine oil pressure indicator
STE/ICE-R Test #89
Is the alternator output
light illuminates.
REASON FOR QUESTION
within normal voltage range
OIL PRESS gage operates.
for both 12 VDC and 24
Engine starts.
With a known good voltage
VDC terminal studs with
Alternator belts OK.
regulator installed; if the
a known good voltage
Battery(ies) OK.
voltage regulator output is not
regulator?
Engine oil pressure switch OK.
within normal range, the
Relay K11 OK.
alternator is faulty. If the
Dashboard cable assembly OK.
voltage regulator output is
Engine control cable assembly
within normal range, the
OK.
previous voltage regulator is
Alternator ground strap OK.
faulty.
100 AMP alternator to reverse
polarity relay 12 VDC cable
NO
OK.
200 AMP alternator to terminal
block 12 VDC cable OK.
100 AMP alternator to reverse
polarity relay 24 VDC cable
Replace 100 AMP alternator (para 7-2)
YES
OK.
or 200 AMP alternator (para 20-45).
200 AMP alternator to terminal
block 24 VDC cable OK.
POSSIBLE PROBLEMS
Faulty alternator.
Faulty voltage regulator.
Replace 100 AMP voltage regulator
(para 7-5) or 200 AMP voltage
regulator (para 20-46).
2-1056.8
Change 1
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