TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
TEST 3
NO. 2 EXTENSIBLE LINK SELF FEEDBACK
TRANSDUCER NULL VOLTAGE TEST (SPARE)
NOTE
Tests 2, 3, 4, and 5 MUST be
performed in sequence.
47.
Perform steps 1 thru 40. Check initial control and
valve settings in steps 22 and 23.
48.
Setup hydraulic unit controls as follows:
a.
ILCA PRESS SYS 1 valve (1) to VENT.
b.
ILCA PRESS SYS 2 valve (2) to VENT.
c.
SAS PRESS SYS 1 valve (3) to VENT.
d.
SAS PRESS SYS 2 valve (4) to VENT.
e.
RETURN SYS 1 valve (5) to RETURN.
f.
RETURN SYS 2 valve (6) to RETURN.
49.
Set electrical unit controls as follows:
a.
Power switch (29) to ON.
b.
SYSTEM SELECT switch (43) to SAS 2.
c.
SAS 2 FUNCTION SELECT switch (31) to
BALANCE.
d.
SAS 2 FEEDBACK SELECT switch (33) to
SELF.
e.
SAS 2 LINK TEST switch (39) to SELF FDBK.
50.
DVM (58). Reading shall not exceed 0.0180
volts. Record reading.
NOTE
If reading is greater than 0.0180 volts,
No. 2 extensible link self feedback
transducer requires adjustment (Task
7-101). Repeat Tests 2 and 3 after
adjustment.
7-414
Change 1
