TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
73.
Manually move input arm (61) through full cycle.
Check for the following:
a.
No leaks from relief valve (62) on No. 1 or
No. 2 system.
b.
No binding throughout full cycle of input arm
(61).
c.
No static leaks.
NOTE
If any malfunctions appear during test
steps 73a thru c, go to steps 62a thru
c.
74.
Set ILCA PRESS SYS 1 valve (1) to PRESS.
75.
Manually move input arm (61) through full cycle.
Check for the following:
a.
No leaks from relief valve (62) on No. 1 or
No. 2 system.
b.
No binding throughout full cycle of input arm
(61).
c.
No static leaks.
NOTE
If any malfunctions appear during test
steps 75a thru c, go to steps 62a thru
c.
76.
Set hydraulic unit controls as follows:
a.
HIGH PRESS REGULATOR valve (52) to full
DECREASE.
b.
HIGH PRESS SHUTOFF valve (51) to
CLOSE.
c.
ILCA PRESS SYS 1 valve (1) and ILCA
PRESS SYS 2 valve (2) to VENT.
77.
Press and hold HIGH PRESS RELIEF VALVE
(67) and LOW PRESS RELIEF VALVE (68) for
15 seconds. Release valves.
78.
Set 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.
79.
Set SOLENOID VALVE (53) to CLOSED.
80.
Press SOLENOID SHUTOFF switch (44) to
CLOSE.
END OF MANUAL CYCLING TEST
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