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TM 9-2320-364-20-4
2-3129
(1) Set multimeter select switch to volts DC.
(2) Connect positive (+) multimeter lead to
wire 1784 at connector MC136 terminal C.
(3) 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. Perform Step (4)
below.
(4) Install cover on powerbox with four
screws.
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
CONNECTOR
MC136
WIRE 1784
TERMINAL C
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