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TM 55-1520-4920-430-13
4-44. Power Section Check (CRC). Check power circuits and indicators as follows:
METER/INDICATOR
INDICATOR OR
CONTROL/SWITCH
STEP NO.
NORMAL RESULTS
TEST PROCEDURE
NOMENCLATURE POSITION
ON
(1) 115V 400Hz
(1) Light Comes On.
TESTER POWER
a.
Indicator DS1
switch S1
(2) Light Comes On.
(2) +28VDC Indicator
DS2
(3) Light Comes On.
(3) +5VDC Indicator
DS6
(4) +15VDC Indicator
(4) Light Comes On.
DS8
(5) -15VDC Indicator
(5) Light Comes On.
DS7
(1) Light Comes On.
(1) 115V 400Hz
ON
AFCS POWER
b.
115V 400Hz
Indicator DS3
switch S2
(2) Light Comes On.
(2) 5VAC Indicator
DS9
(3) 112.5 to 117.5
(3)
Measure Power
Voltage, Receptacle
vac.
AFCS J1-B (line)
to J1-D
(4) 4.5 to 5.5 vac
(4) Measure Power
Voltage, Receptacle
PANEL J2-B, J2-D
J2-F (line) to J2-C
(1) +28 VDC Indicator
(1) Light Comes On.
AFCS POWER
ON
c.
DS4
+28VDC switch
S3
(2) 24 to 28.5 vdc.
(2) Measure Power
Voltage, Receptacle
AFCS J1-A (+)
to J1-C
(3) Measure Power
(3) 24 to 28.5 vdc.
Voltage, Receptacle
PANEL J1-A (+) and
PANEL J2-A (+) to
J1-B

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