Figure 7-1. Test device, simulated torque motor voltages.

TM 11-6625-646-15

Figure 7-1. Test device, simulated torque motor voltages.

until the dc voltmeter indicates +5. The ROLL AXIS

resistor R609 (fig. 6-7) on the roll actuator simulator

meter should indicate between +4.5 and +5.5 volts.

card for 0 on the meter.

(7) Adjust the test setup variable resistor until

(11) Adjust the test setup variable resistor until

the dc voltmeter indicates 0.

the dc voltmeter indicates 0.1 volt. The ROLL AXIS

meter should indicate a minimum of +1 volt. The vtvm

(8) Adjust the ac supply for a 2.5-volt output.

should indicate a minimum of +1 volt.

(9) Set the AXES METERS READ switch to

(12) Adjust the test setup variable resistor until

CLOSED LOOP.

the dc voltmeter indicates 0.

(13) Reverse the test setup connections at

NOTE

TEST POINTS R and T.

The ROLL AXIS meter may indicate

(14) Adjust the test setup variable resistor until

off scale (hardover).

Allow 30

the dc voltmeter indicates 0.1 volt. The ROLL AXIS

seconds for the circuits to stabilize.

meter should indicate a minimum of -1 volt. The vtvm

should indicate a minimum of 1 volt.

(10) Check that the ROLL AXIS meter

indicates 0 1 scale division. If it does not, adjust