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TM 9-2320-364-20-4
2-3125
(1) Loosen four screws and remove powerbox
cover.
(2) Set multimeter select switch to volts DC.
(3) Connect positive (+) multimeter lead to
wire 1784 at circuit breaker CB28.
(4) Connect negative (–) multimeter lead to
a known good ground.
(a) If 22 to 28 vdc are not present,
repair wire 1784 (see schematic
Fig 2-75) or notify DS Maintenance.
(b) If there are 22 to 28 vdc present,
wire 1784 is OK.
VOLTAGE 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.
SCREWS
POWERBOX
COVER
CIRCUIT
BREAKER
CB28
WIRE 1784
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