TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
184.
Set SAS PRESS SYS 2 valve (4) to OFF. Read
and record cross feedback reading on DVM (58).
Compare reading with null reading from step 55.
The difference shall be 0.065 or less.
185.
Set SAS SYS 2 valve (4) to PRESS.
186.
Set SAS PRESS SYS 2 valve (4) to OFF. Read
and record cross feedback reading on DVM (58).
Compare reading with null reading from step 55.
The difference shall be 0.065 or less.
187.
Set SAS PRESS SYS 2 valve (4) to PRESS.
188.
Set SAS PRESS SYS 2 valve (4) to OFF. Read
and record cross feedback reading on DVM (58).
Compare reading with null reading from step 55.
The difference shall be 0.065 or less.
189.
Set SAS PRESS SYS 2 valve (4) to PRESS.
190.
Set SAS PRESS SYS 2 valve (4) to OFF. Read
and record cross feedback reading on DVM (58).
Compare reading with null reading from step 55.
The difference shall be 0.065 or less.
191.
Set SAS 2 VALVE CONTROL (35) to NULL.
192.
Set SAS PRESS SYS 2 valve (4) to VENT and
then to OFF.
193.
Deleted.
194.
Set electrical and hydraulic unit controls as
follows:
a.
HIGH PRESSURE REGULATOR valve (52)
to DECREASE.
b.
SOLENOID SHUTOFF switch (44) to
CLOSED.
c.
SOLENOID valve (53) to CLOSED.
d.
ILCA PRESS SYS 1 valve (1) and ILCA
PRESS SYS 2 valve (2) to VENT.
e.
HIGH PRESS SHUTOFF valve (51) to
CLOSE.
f.
Push and hold HIGH PRESS RELIEF VALVE
(67) and LOW PRESS RELIEF VALVE (68)
for 15 seconds.
g.
ILCA PRESS SYS 1 valve (1), ILCA PRESS
SYS 2 valve (2), RETURN SYS 1 valve (5),
and RETURN SYS 2 valve (6) to OFF.
195.
Remove and stow PIN 2 (69) from fixture (70)
and input arm (61).
196.
If no further testing is required, perform normal
shutdown (TM 55-4920-428-13).
END CENTERING SPRINGS TEST
7-446
Change 1
