TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
252.
Press jam indicator button (82). Button shall
remain flush with valve (83) body.
253.
Set ILCA PRESS SYS 2 valve (2) to PRESS.
254.
Slowly turn HIGH PRESS SHUTOFF valve (51)
to OPEN.
255.
Manually operate input arm (61). Jam indicator
button (82) shall remain flush with valve 3 (83)
body.
256.
Set electrical and hydraulic unit controls as
follows:
q.
HIGH PRESS REGULATOR valve (52) to
DECREASE.
b.
SOLENOID SHUTOFF switch (44) to CLOSE.
c.
SOLENOID VALVE (53) to CLOSED.
d.
Press and hold HIGH PRESS RELIEF VALVE
(67) and LOW PRESS RELIEF VALVE (68)
until HIGH PRESS gauge (13) indicates 0
psi.
e.
HIGH PRESS SHUTOFF valve (51) to
CLOSE.
f.
ILCA PRESS SYS 2 valve (2) to OFF.
g.
SAS PRESS SYS 1 valve (3), SAS PRESS
SYS 2 valve (4), RETURN SYS 1 valve (5),
and RETURN SYS 2 valve (6) to OFF.
257.
If no further testing is required, perform normal
shutdown (TM 55-4920-428-13).
END VALVE JAM INDICATOR TEST
Change 1
7-455
