TM 55-1520-240-23-9
11-279
BENCH TEST AFCS COCKPIT CONTROL DRIVE ACTUATOR (CCDA) (AVIM)
(Continued)
11-279
TEST 2
BRAKE FUNCTION TEST (THRUST)
NOTE
Perform preliminary procedure before
test. (Refer to TM 55-4920-430-13.)
8.
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).
9.
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).
10.
Set CCDA BRAKE switch (14) to 1.
11.
Set CCDA CLUTCH switch (15) to 0.
12.
Set output arm (16) to center.
13.
Attach indicating scale (17) to arm (16). Apply
clockwise force to arm. Pull 90º to arm. Force to
move arm shall not be more than 3.4 pounds.
14.
Apply counterclockwise force to arm (16). Pull
90º to arm. Force to move arm shall not be more
than 3.4 pounds.
15.
Repeat steps 13 and 14 for three positions of
arm (16) normal travel.
NOTE
Normal travel of arm is from center
position to 45º clockwise as shown.
15.1.
Set output arm (16) to center.
11-1159
