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TM 9-2320-364-20-2
2-1573
(1) Tag, mark and disconnect wires from
rectifier M66.
(2) Set multimeter select switch to DIODE
CHECK.
(3) Connect positive (+) multimeter lead
to negative rectifier terminal.
(4) Connect negative (–) multimeter lead
to each rectifier AC terminal one at a
time.
(a) If vdc are not present, at either AC
terminal, replace rectifier
(Para 7-19).
(b) If vdc are present at both AC
terminals, go to Step (5) below.
(5) Connect negative (–) multimeter lead
to positive (+) rectifier terminal.
(6) Connect positive (+) multimeter lead,
to each rectifier AC terminal one at a
time.
(a) If vdc are not present at either AC
terminal, replace rectifier
(Para 7-19).
(b) If vdc are present at both AC
terminals, replace buzzer
(Para 7-25).
(7) Connect wires to rectifier.
RECTIFIER TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits a direct short may result. Damage to equipment, injury or death to personnel may occur.
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