TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
202.
Increase test stand pressure to 2600 psi.
CAUTION
High pressure hydraulic leaks can
cause serious bodily injury.
203.
Slowly turn HIGH PRESS REGULATOR valve
(52) toward INCREASE until HIGH PRESS
gauge (13) reads 2250 psi. Hold pressure for
five minutes.
204.
Slowly turn HIGH PRESS SHUTOFF valve (51)
to OPEN.
205.
Check for external leaks or damage. There shall
be no external leaks or signs of damage.
NOTE
If external leaks appear, stop test and
repair as required. If unable to repair,
replace next higher assembly.
206.
Set electrical and hydraulic unit controls as
follows:
a.
HIGH PRESS REGULATOR valve (52) to
DECREASE.
b.
Turn HIGH PRESS SHUTOFF valve (51) to
CLOSE.
c.
SOLENOID SHUTOFF switch (44) to
CLOSED.
d.
SOLENOID VALVE (53) to CLOSED.
e.
ILCA PRESS SYS 1 valve (1), ILCA PRESS
SYS 2 valve (2), SAS PRESS SYS 1 valve
(3), and SAS PRESS SYS 2 valve (4) to
VENT.
7-448
Change 1
