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C1, TM 11-6625-646-15
the FUNCTION meter indicates +10. The ac supply
POINTS D (positive) and C. Adjust the dc supply until
meter should indicate between 2 and 3 volts.
the FUNCTION meter indicates +10. The dc supply
meter should indicate between 24 and 36 volts.
ae. Disconnect the power supply and test leads.
Disconnect the dc supply.
af. If any indication is not as specified, take corrective
r. Turn the FUNCTION switch to DEM OUTPT.
action and repeat the applicable steps.
s. Connect the dc power supply to pins 15
ag. Reinstall the amplifier card in receptacle J69.
(positive) and 17 of amplifier card receptacle J69.
Adjust the power supply to 2.1 volts. The FUNCTION
7-8. Actuator Simulator Test
meter should indicate between +8 and +12.
a. Preliminary Procedures.
t. Turn the FUNCTION switch to AMPL OUPT.
(1) Fabricate a test setup (fig. 7-1).
u. Connect the dc power supply to pins 17
(2) Remove the amplifier card from
(positive) and 15 of the AMPLIFIER CARD TESTER
receptacle J69.
receptacle. Adjust the dc supply until the FUNCTION
(3) Connect the dc power supply through an
meter indicates +10. The dc supply meter should
isolation transformer to the proper power source.
indicate between 3.04 and 4.56 volts.
(4) Connect the ac power supply to 115volt
v. Turn the FUNCTION switch to YAW
400-cycle power.
FEEDBACK.
(5) Connect jumpers between pins 3 and 17
w. Connect the ac power supply to TEST POINTS
of receptacles J63, J64 and J65.
M (neutral) and P (line phase).
(6) Operate the AXES METERS READ switch
x. Set the 115V 400 ~ POWER switch to on (up)
to OPEN LOOP.
position.
y. Adjust the ac supply until the FUNCTION meter
NOTE
indicates +10. The ac supply meter should indicate
Before recording meter indications,
between 2 and 3 volts.
wait approximately 30 seconds for
z. Turn the FUNCTION switch to ROLL
the actuator-simulator card circuits
FEEDBACK. Connect the ac power supply to TEST
to stabilize. Do this when power is
POINTS X (neutral) and V (line phase). Adjust the ac
initially applied and when input level
supply until the FUNCTION meter indicates +10. The
is varied.
ac supply meter should indicate between 2 and 3 volts.
Disconnect the power supply.
b. Roll Axis Actuator Simulator Circuit.
aa. Turn the FUNCTION switch to PITCH
(1) Connect the ac power supply to TEST
FEEDBACK.
POINTS V (line phase) and X.
ab. Connect the ac power supply to TEST POINTS
(2) Connect the test setup to TEST POINTS
e (neutral) and c (line phase). Adjust the ac supply until
T and R (fig. 7-1).
the FUNCTION meter indicates +10. The ac supply
meter should indicate between 2 and 3 volts.
(3) Connect the vtvm between TEST
Disconnect the power supply.
POINTS C (ground) and W.
ac. Turn the FUNCTION switch to SEC
(4) Adjust the dc supply for a 12-volt output.
FEEDBACK.
(5) Set the 115V 400 ~ POWER switch to on
ad. Connect the ac power supply to TEST POINTS
(up) position.
q (neutral) and k (line phase). Adjust the ac supply until
(6) Adjust the test setup variable resistor
67
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