TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
275.
Remove lockwire from valve (90) of SYSTEM 2.
276.
Remove valve (90) and packing (91). Use cloths
(E135) for spilled fluid. Wear gloves (E184.1).
277.
Remove case vent adapter 145GS278-14 (87)
from stowed position and install in valve port (92)
of SYSTEM 2.
278.
Torque adapter (87) to 17 inch-pounds.
279.
Remove cap (89) from adapter (87) and stow.
280.
Set ILCA PRESS SYS 2 valve (2) to PRESS.
281.
Slowly turn HIGH PRESS SHUTOFF valve (51)
to OPEN.
282.
Observe adapter (87) for leaks for 5 minutes.
When first drop appears start to time leak. Leak
rate shall not exceed 3 drops per minute. Use
cloths (E135) for spilled fluid. Wear gloves
(E184.1).
283.
Set electrical and hydraulic unit as follows:
a.
HIGH PRESS REGULATOR valve (52) to
DECREASE.
b.
SOLENOID SHUTOFF switch (44) to CLOSE.
c.
SOLENOID VALVE (53) to CLOSED.
d.
Press HIGH PRESS RELIEF VALVE (67) and
hold until HIGH PRESS gauge (13) indicates
0 psi.
e.
HIGH PRESS SHUTOFF valve (51) to
CLOSE.
f.
ILCA PRESS SYS 2 valve (2) to VENT, then
to OFF.
g.
ILCA PRESS SYS 1 valve (1) to VENT, then
to OFF.
h.
RETURN SYS 1 valve (5) and RETURN SYS
2 valve (6) to OFF.
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