TM 55-1520-240-23-6
7-98
TEST PITCH, ROLL, YAW, OR THRUST INTEGRATED LOWER CONTROL ACTUATOR
(ILCA) (AVIM) (Continued)
7-98
59.27. Set SAS 2 LINK TEST switch (39) to CROSS
FDBK. DVM (58) must indicate 0.50 ±0.03 volt.
NOTE
If null meter moves to the right, check
extensible link wire connections
of cross feedback transducer. If
connector is wired correctly, replace
cross feedback transducer (Task
7-88).
59.28. Set SAS 2 FEEDBACK SELECT switch (33) to
CROSS. NULL METER (60.2) must decrease to
5 ±1 microamp. If null meter moves to the right,
SAS 2 ILCA is out-of-phase.
NOTE
If null meter moves to the right, check
extensible link wire connections
of cross feedback transducer. If
connector is wired correctly replace
cross feedback transducer (Task
7-88).
59.29. Turn SAS 2 VALVE CONTROL (35) to NULL.
59.30. Repeat Tests 2, 3, 4, and 5, if LVDT was
changed.
59.31. If no further testing is required, perform normal
shutdown (TM 55-4920-428-13).
END NO. 1 AND NO. 2 EXTENSIBLE LINK PHASE
TEST (SPARE)
FOLLOW-ON MAINTENANCE:
Manual cycling test (ALL).
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