TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
TEST 8
EXTENSIBLE LINK AUTHORITY TEST (SPARE)
108.
Perform steps 1 thru 40. Check initial control and
valve settings in steps 22 and 23.
NOTE
Tests 2, 3, 4, and 5 MUST be
performed before this test.
109.
Set electrical unit switches as follows:
a.
SYSTEM SELECT switch (43) to SAS 1.
b.
SAS 1 FUNCTION SELECT switch (30) to
CLSD LOOP.
c.
SAS 1 LINK TEST switch (38) to SELF FDBK.
d.
SAS 1 FEEDBACK SELECT switch (32) to
SELF.
e.
SAS 1 VALVE CONTROL (34) to NULL.
f.
SAS 1 SQ WAVE control (36) to MIN.
110.
Set electrical and hydraulic unit controls as
follows:
a.
Check RETURN SHUTOFF valve (47) is
OPEN.
b.
RETURN SYS 1 valve (5) and RETURN SYS
2 valve (6) to RETURN.
c.
SOLENOID valve (53) to OPENED.
d.
SOLENOID SHUTOFF switch (44) to OPEN.
e.
Slowly turn HIGH PRESS REGULATOR
valve (52) towards INCREASE until HIGH
PRESS gauge (13) indicates 1500 psi.
f.
ILCA PRESS SYS 1 valve (1). ILCA PRESS
SYS 2 valve (2) to PRESS.
g.
Slowly turn HIGH PRESS SHUTOFF valve
(51) to OPEN.
7-430
Change 1
