TM 10-4320-307-24
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ALTERNATOR TEST/REPLACE_CONT).
4
Insert shank of 1/16-inch drill bit (3) in brush
holder access hole (4).
5.
Connect jumper (5) to negative output terminal (6) and
to drill bit (3).
6
Connect multimeter to output terminals, start engine in accordance with TM 10-4320-307-10, and run at
approximately 1200 to 1500 RPM.
CAUTION
Insure that all electrical accessories are OFF to avoid high voltage damage.
7.
Check DC voltage across output terminals and make a note of it. Voltage should be between
27.8 and 28.2 Vdc.
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