TM 55-1520-240-23-9
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BENCH TEST AFCS COCKPIT CONTROL DRIVE ACTUATOR (CCDA) (AVIM)
(Continued)
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TEST 6
TRIM MOTOR TEST (PITCH)
NOTE
Perform preliminary procedure before
test. (Refer to TM 55-4920-430-13.)
50.
Set TESTER POWER switch (3) to ON. The
following lamps shall be on:
a.
115V 400 HZ lamp (4).
b.
+28VDC lamp (5).
c.
+5VDC lamp (6).
d.
+15VDC lamp (7).
e.
-15VDC lamp (8).
51.
Set AFCS POWER switches (9 and 10) to ON.
The following lamps shall be on:
a.
115V 400 HZ lamp (11).
b.
+28VDC lamp (12).
c.
5VAC lamp (13).
Do not allow motor to drive stop plate
against stop pin. Damage to the
CCDA can result.
52.
Set CCDA BRAKE switch (14) to 1.
53.
Move output arm (16) to full counterclockwise
position.
54.
Set CCDA BRAKE switch (14) to 0.
55.
Set CCDA CMD switch (26) to CW. Check output
arm (16) moves clockwise. Time output arm to
reach full clockwise position. Time shall be 80
to 110 seconds.
56.
Set CCDA BRAKE switch (14) to 1.
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