TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
229.
Remove post (76) from hydraulic unit.
WARNING
Carefully align and seat force gauge
in jam simulation button before force
is applied; otherwise, personal injury
can result.
230.
Apply 60 pounds maximum to jam simulation
button (80) of SYSTEM 1 with force gauge
145GS278-16 (81). Jam indicator button (78)
shall extend.
NOTE
If jam indicator does not extend, stop
test. Replace jam indicator assembly
and repeat steps 220 thru 224.
231.
Set HIGH PRESS SHUTOFF valve (51) to
CLOSE.
232.
Set ILCA PRESS SYS 1 valve (1) to VENT.
233.
Repeat steps 220 thru 224 three times. Jam
indicator button (78) shall remain extended.
234.
Press jam indicator button (78). Button shall
remain flush with valve (79) body.
235.
Set ILCA PRESS SYS 1 valve (1) to PRESS.
236.
Slowly turn HIGH PRESS SHUTOFF valve (51)
to OPEN.
237.
Manually operate input arm (61). Jam indicator
button (78) shall remain flush with valve (79)
body.
238.
Set HIGH PRESS SHUTOFF valve (51) to
CLOSE.
239.
Set ILCA PRESS SYS 1 valve (1) to VENT, then
to OFF.
240.
Install post (76).
Change 1
7-453
