TM 55-1520-240-23-9
11-279
BENCH TEST AFCS COCKPIT CONTROL DRIVE ACTUATOR (CCDA) (AVIM)
(Continued)
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26.
Set CIRCUIT SELECT TENS switch (22) to 30.
27.
Set CIRCUIT SELECT A/B SELECT switch (23)
to B.
28.
Set CIRCUIT SELECT B UNITS switch (24) to 0.
29.
Turn ANALOG SIGNALS ATT synchro (19)
clockwise to 10º. Check output arm (16). Arm
shall be approximately 10º clockwise. Read
AC/DC VOLTMETER (25). Reading shall be less
than 100.
30.
Set CCDA CLUTCH switch (15) to 0.
31.
Move output arm (16) to center.
32.
Set CCDA CLUTCH switch (15) to 1.
33.
Turn ANALOG SIGNALS ATT synchro (19)
counterclockwise to 0. Check output arm (16).
Arm shall be approximately 10º counterclockwise.
Read AC/DC VOLTMETER (25). Reading shall
be less than 100.
34.
Set CCDA CLUTCH switch (15) to 0.
35.
Move output arm (16) to center position.
36.
Set CCDA BRAKE switch (14) to 0.
END NULL VOLTAGE AND PHASING TEST (THRUST)
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