TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST (Continued)
11-280
TEST 9
COLLECTIVE COCKPIT CONTROL DRIVE
ACTUATOR (CCDA) SERVO LOOP OPERATION TEST
(NO. 1)
44.
Set AFCS SYSTEM SEL switch (1) to 1.
45.
Set AFCS line test set switches as follows:
a.
METER SOURCE switch (3) to ACTUATOR
DRIVE.
b.
ACTUATOR DRIVE CCDA switch (22) to OFF.
c.
FEEDBACK MONITOR switch (15) to CCDA.
d.
CCDA BRAKE switch (23) to OFF.
e.
CCDA CLUTCH switch (24) to OFF.
46.
Set ACTUATOR DRIVE CCDA switch (22) to
CW. Read digital display (6). Reading shall cycle
between -6.50 and +6.50 VAC. Check meter
(25). Meter pointer shall cycle from - to +.
47.
Set ACTUATOR DRIVE CCDA switch (22) to
CCW. Read digital display (6). Reading shall
cycle between -6.50 to +6.50 VAC. Check meter
(25). Meter pointer shall cycle from - to +.
48.
Set ACTUATOR DRIVE CCDA switch (22) to
OFF.
END COLLECTIVE COCKPIT CONTROL
DRIVE ACTUATOR (CCDA) SERVO
LOOP OPERATION TEST (NO.1)
11-1182
Change 1
