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TM 9-2320-364-20-3
2-2289
(1)
Disconnect harness connector from
overload differential pressure switch
connector.
(2)
Set multimeter select switch
to volts dc.
(3)
Connect positive (+) multimeter lead
at harness connector, terminal 2.
(4)
Connect negative () multimeter lead
to a known good ground.
(5)
Turn ON ENGINE switch
(TM 9-2320-364-10).
(a)
If there are not 22 to 28 vdc
present, turn OFF ENGINE
switch and repair wire 1479
(see schematic Fig 2-52) or
notify DS Maintenance.
(b)
If there are 22 to 28 vdc present,
wire 1479 is OK.
(6)
Turn OFF ENGINE switch.
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.
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