TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
k.
Subtract step h reading from step c reading.
Travel shall be 0.62 to 0.74 inch.
NOTE
If travel is not acceptable, and the Test
(RED) authority covers are installed,
replace No. 2 extensible link.
l.
Check readings from steps b and j. Readings
shall be 1.50 to 1.91 volts.
NOTE
Insure Tests 2, 3, 4, and 5 were
performed. If they were, replace self
LVDT.
m.
Check readings from step e and g. Readings
shall be 0.75 to 0.96 volt.
NOTE
Insure Tests 2, 3, 4, and 5 were
performed. If they were, replace self
LVDT.
If both travel and voltages are
incorrect, replace servomotor
assembly or extensible link.
119.
Perform dual extensible link operational test as
follows:
a.
Set SAS PRESS SYS 1 valve (3) to PRESS.
b.
Set SAS 1 FUNCTION SELECT switch
(30) to HARDOVER EXTEND. Set SAS
2 FUNCTION SELECT switch (31) to
HARDOVER RETRACT.
c.
Set SYSTEM SELECT switch (43) to SAS 1.
d.
Set SAS 1 LINK TEST switch (38) to CROSS
FDBK.
e.
Record reading indicated on DVM (58).
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Change 1
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