TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
TEST 9
STATIC DEADBAND TEST (ALL)
126.
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.
127.
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) and ILCA
PRESS SYS 2 valve (2) to PRESS.
g.
Slowly turn HIGH PRESS SHUTOFF valve
(51) to full OPEN.
128.
Manually hold position of input arm (61). Position
dial indicator (77) against arm.
129.
If dial indicator (9) is not installed, install it. (Refer
to steps 93 thru 95.)
130.
SAS PRESS SYS 1 valve (3) and SAS PRESS
SYS 2 valve (4) to PRESS.
131.
Set SAS 1 FUNCTION SELECT switch (30)
and SAS 2 FUNCTION SELECT switch (31) to
BALANCE.
Change 1
7-437
