TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
TEST 2
NO. 1 EXTENSIBLE LINK SELF FEEDBACK
TRANSDUCER NULL VOLTAGE TEST (SPARE)
NOTE
Tests 2, 3, 4, and 5 MUST be
performed in sequence.
42.
Perform steps 1 thru 40. Check initial control and
valve settings in steps 22 and 23.
43.
Set 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.
44.
Set electrical unit controls as follows:
a.
Power switch (29) to ON.
b.
SYSTEM SELECT switch (43) to SAS 1.
c.
SAS 1 FUNCTION SELECT switch (30) to
BALANCE.
d.
SAS 1 FEEDBACK SELECT switch (32) to
SELF.
e.
SAS 1 LINK TEST switch (38) to SELF FDBK.
45.
DVM (58). Reading shall not exceed 0.0180
volts. Record reading.
Change 1
7-412.1/(7-412.2 blank)