Actuator Simulator Test

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